When multiplying fractions the shortcut process of finding common factors that divide evenly into at least one of the numerator and one of the denominator is called?

Why is it easier to compare fractions with the same rather than denominator?

If the fractions have different denominators, you need to: 1) Convert to equivalent fractions with a common denominator, 2) Compare the numerators. If the fractions already have the same denominator, there is no need for the first step - which happens to be the most difficult step. Note that as a shortcut, you don't need the LEAST common denominator, any denominator can do. Thus, you can just use the product of the two denominators as the common denominator. As a result, to compare the fractions, you simply multiply the numerator of each fraction by the denominator of the other one, and then compare. However, this is still more work than simply comparing two numbers.

How do you add and simplify fractions?

1.Adding If they have like denominators, just add the numerator and put that on top of the denominator. If the denominators not same, you need like denominators. So, you have to find the least common multiple of the denominator. You can list them and find the lowest multiple, or use this shortcut. It might lead to extra steps though. First you multiply the denominators. Then multiply the numerator by that number. Then add that together. (It's easy because you just add the numerator.) 2. simplifying. If the #'s are both even, they can be divided by two. If they aren't, List the factors of the numerator and the denominator. Find the least common factor.(LCM).Then divide the numerator and the denominator by that #.Keep going to get a fraction simplified all the way. Hope this helped!=D

Why do you flip fractions when dividing fractions?

Flipped fractions are called reciprocals.We flip when we reposition a fraction from below the primary dividing line to above the primary, or vice versa, to simplify a calculation.Short answer: to simplify an expression that includes a fraction in its denominator or in its numerator.A flipped fraction is a shortcut version of a two step process of moving a fraction from a denominator to a numerator, or vice versa, to help us calculate the answer.To illustrate the long form of calculation :you can see that10 / 1/5 = 10 / 0.2 = 100 / 2 = 50Restating this example question to help you understand what is going on :10 x [ 1/ 1/5 ]which is merely separating the fraction in the denominator from the rest of the question by multiplying the fractional denominator [ alone ] by 1 or,more accurately, the whole expression given by 1/1. This has not changed the value of the final answer in any way.Let's make this very clear by considering ONLY the fractional denominator for a moment.1 / 1/5 times 1 / 1or1 x 1 / 1 x 1/5Now we can simplify this ugly-looking expression by relocating the lower level of denominator, the 5 , up to the primary numerator level, giving :[ ignoring the dots ]1 . 5_ x _ . which is simplified to : 5 / 1 or 51 . 1Now you already know that the final answer to the original question is 50or 10 x 5What we did there was MOVE the fraction in the denominator UP to the numerator without changing the overall value of the expression.We did that by reversing the fraction's numerator and denominator [ flipping both values ] when we repositioned the fraction up to the main numerator position.By it not changing the final answer when we did this, we have proven that the reciprocal of a fraction can replace [ or substitute for ] the fraction when the fraction is relocated above or below the primary dividing line, without affecting the final answer.Sounds confusing, doesn't it ?Just remember thatA over B/C is always equal to A x C/BC/B is called the reciprocal of B/Cand, of course, B/C can be termed the reciprocal of the fraction C/B.Dividing by a fraction is the same, mathematically, as multiplying by its reciprocal [flipping the fraction].There are perhaps two questions here:Why does it work?Why do we do it?I'll try to answer both questions:What you are really doing is multiplying the numerator and denominator by the same number (the flipped denominator). Multiplying this way does not change the value of the original problem by one of the rules of arithmetic (which we can prove). When you choose this flipped fraction to multiple by, you will see that it does something interesting to the denominator, mainly, it turns it into the value of one after you multiply and simplify. Since any number divided by 1 is itself, this simplifies the original fraction and turns the problem into the flipped fraction form.We do all this because the rule for multiplying fractions together is very simple: multiply the numerators together to get the numerator of the answer and multiply the denominators together to get the denominator of the answer.

Is there a shortcut key for fractions?

Not in Excel. Excel does not use fractions. If you need to use fractions, then turn them into decimals. You can represent 1/2 in excel with the formula =1/2.

When multiplying or dividing by a power of 10 what is the shortcut?

Move the decimal point, the same number of places as the power of 10. That way ---> to multiply. This way <--- to divide.

What is the perimeter of a hexagon in millimeters?

The perimeter is each of the lengths added together. A hexagon has each of its sides equal. This means you can have the shortcut of multiplying length by 6.

What is the shortcut for dividing a number by a multiple of 10?

The multiple of ten can be reduced to the smaller number by moving the decimal place of the numerator one place to the left. However, this may only be a marginal short cut. For example, dividing 1256 by 3450 is equivalent to dividing 125.6 by 345 but that is hardly a shortcut!

How do you make a shortcut on a computer?

Right click on the document/folder etc. you want to create a shortcut from. Then, on the drop down menu, click "create shortcut" and you will have a shortcut. or if you want a keyboard shortcut right click, properties, advanced, shortcut.

What is the keyboard shortcut for the snowflake?

there isn't such shortcut

What did the explorers expect the Northwest Passage to provide?

a shortcut to India and china

Is the keyboard shortcut to paste Ctrl c?

That's the shortcut for copy. The shortcut for paste is Ctrl V.

What is the shortcut key for input statement in QBasic?

There is no shortcut key of input in qbasic

When multiplying fractions the shortcut process of finding common factors that divide evenly into at least one of the numerator and one of the denominator is called?

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