Q: When comparing fractions with the same you only have to compare the?

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Convert them into equivalent fractions with the same denominator and then compare the numerators.

Because when you compare fractions with the same denominators, you do not have to find the least common denominator (LCM or LCD).

you compare them

You can either convert fractions to decimals and compare the decimal numbers; find equivalent fractions with the same denominator and then compare numerators or find equivalent fractions with the same numerator and then compare denominators.

when 2 fractions have the same denomenator, the one the larger numerator is greater.

Fractions can be compared by seeing if the numerator and the denominator have the same numbers multiplied on the top and bottom.

The same numerator or the same denominator.

Find the equivalent fractions with the same denominator (the least common multiple) and then compare the numerators.

Rule #1 When two fractions have the same denominator, the bigger fraction is the one with the bigger numerator. Rule # 2 When comparing fractions that have the same numerator, the bigger fraction is the one with the smaller denominator. Rule # 3 You can convert the fractions and then just put the greater than, less than or equal to sign to see what the comparison is between the fractions.

Change the fractions to the same denominator then compare.A quick way is to multiply UP on cross multiply and compare.

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.

The fractions can be ordered according to the order of their numerators.

Assuming the fractions are "normalized" (the fractional part is less than 1): First compare the integer part. If the integer part is the same, you need to compare the fractions. If the denominator of the fractions is different, you have to convert to a common denominator. The simplest way to find a common denominator is to multiply both denominators (i.e., you don't need the LEAST common denominator - any common denominator will do).

It depends on how you need to compare them. If you want to know which one is larger, just look at the denominator - a smaller denominator means a larger number. If you need to add or subtract them, the only thing you can do is make the denominators equal.

Fractions can be added and subtracted only if they are fractions with the same denominator.

The larger fraction is the one with the smaller denominator, when the numerators are the same.

They are in the same order, by size, as their numerators.

The smaller fraction has the smaller numerator.

To compare any two fractions they first need to be converted to numbers on a similar basis: Convert both to decimals: the smaller decimal is the smaller fraction. Find equivalent fractions with the same denominator: the fraction with the smaller numerator is the smaller number. Find equivalent fractions with the same numerator: the fraction with the larger denominator is the smaller number. I recommend that the last of these is used for integral reciprocals (comparing 1/2, 1/4, 1/7 etc) or by more proficient users.

Because percentages are essentially the numerators of fractions with the same denominator, 100.

Comparing density

To compare fractions is to determine which is larger. You can do this by changing both to the same denominator, or converting them to decimals.

First you have to compare the whole numbers. When the whole numbers are the same, compare the fractions. If the denominators of the fraction are the same, compare the numerators. If the denominators are different, convert them to have the least common denominators. Then compare the numerators.

Comparing fractions is easiest with a common denominator. Then only the numerators need to be compared. Take 8/40, and divide numerator and denominator by 4 : 8/40 = 2/10. Now compare 2/10 and 6/10 is the same as comparing 2 and 6, so 6/10 is bigger.

Answer: When adding or subtracting fractions with different denominators it is important to change the denominators into the lowest common denominator by using equivalent fractions. Answer: Equivalent fractions are used to: * Simplify fractions. It is sort of inelegant to write the final solution of a problem as 123/246, when you can just as well write it as 1/2. * Add fractions. If two fractions have different denominators, you need to convert them to equivalent fractions that have the same denominator. Only then can you add. * Subtract fractions (same as addition). * Compare fractions, to check which one is larger (same as addition).

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