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Q: Why change mixed numbers to improper fractions?

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Change the mixed numbers to improper fractions, find a common denominator and proceed.

Change the mixed numbers into improper fractions and carry out the calculations accordingly

Change the mixed numbers into improper fractions. Multiply and then change back to a mixed number in reduced form as necessary.

First you would want to change the mixed number to an improper fraction. Then you can subtract

Change them into mixed numbers and add the integers and fractions together ensuring that the fractions have a common denominator.

you do what makes sense given the numbers, if the fractions work out beautifully, you can just leave them as mixed numbers, otherwise it's best to keep them as improper fractions

Simplicity of calculation

Mixed numbers can be converted to improper fractions. Improper fractions can be added the same way proper fractions are.

if you have mixed numbers you make them into improper fractions before you multiply

You change them into improper or topheavy fractions.

by certain numbers you dived both numbers in the fraction 2,3,5,7 & i think there are more but i can't think of them. for mixed numbers i only know how to change them to improper fractions :-/

no.

turn them into improper fractions

You can't. That is a proper fraction. You can only turn improper fractions into mixed numbers

In case of Proper fractions the numerator is lesser than the denominator. Whereas in case of improper fractions and mixed fractions the numerator is greater than denominator.

Change them to improper fractions and double them.

Mixed numbers can be converted to improper fractions. Then, it is exactly the same as adding proper ones.

Proper fractions are less than 1, so they can't change into whole numbers. Some improper fractions can change into whole numbers. 4/2 = 2 Most improper fractions change into mixed numbers (a whole number with a fraction) To change an improper fraction to a mixed number, divide the denominator into the numerator. The result is the whole number. The remainder gets put over the original denominator. 22/7 = 3 and 1/7

Convert any mixed numbers to improper fractions. Once you have a fraction (proper or improper) do the division. 2/4 = 2 divided by 4 = 0.5

Convert them to improper fractions and proceed.

because they are going to have the same denominator.

The easiest is to convert both mixed form numbers to improper fractions, do the subtraction (as normal1) and if the result is an improper fraction convert it to mixed form. 1 by converting the improper fractions to equivalent [improper] fractions with a common denominator and subtracting the resultant numerators.

Improper fractions can be changed into mixed numbers as for example 9/4 = 2 and a 1/4

Mixed numbers usually become improper fractions, not whole numbers.

2 2/7 (mixed). 16/7 is already improper.

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