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# How do you change a fraction so they have the same denominator?

Updated: 4/28/2022

Wiki User

12y ago

First, find a common denominator for the two (or more) fractions. Then, for each fraction, multiply numerator and denominator by the same number (different numbers for different fractions, though), to convert to the common denominator.

Wiki User

12y ago

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Q: How do you change a fraction so they have the same denominator?
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### What the fraction of 0.7 but same denominator as 4?

4 is an integer and so has denominator 1. 0.7 is a proper fraction and cannot have a denominator of 1.

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If you double the denominator of any fraction, the number of unit fractions stays the same but each unit fraction is half as big. So the value of the fraction is half what it was when you double the denominator. 2×(5/8)=(2×5)/8=10/8

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If you find the common denominator for the fractions, then the bottom will stay the same :) BUT sometimes it is diffacult to find the common denominator so you may need help

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since the last number (8) is in the tens place you have 10 as the denominator (same for thousandths = 1000 as denominator, hundredths = 100 as denominator and so on) then put the decimal number as the numerator and you get the answer of 8/10

### What is the rule for subtracting fractions?

First, change it so that the two fractions have the same denominator (by changing the fractions into equivalent fractions). Once the two fractions have the same denominator, it is simply a case of subtracting the numerators, leaving the denominator the same. Finally, reduce the fraction to its lowest terms (if possible).

### How do you change a percent into a fraction?

One way to change a percent into a fraction is to take the percent number and but the denominator as 100. For example if the percent number was 43 then that would be your numerator and 100 would be your denominator so it should be 43/100. Percent means out of 100 so your denominator should be 100 unless you simplify your fraction.

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### How do you simplify a fraction when the numerator and denominator is the same number?

If the numerator and denominator are the same then their GCF is also the same number. So the fraction can be written, it is simplest form as the integer, 1.

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### When converting a decimal to a fraction what determines the denominator of the fraction?

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### How do you change fraction to higher term?

by higher do you mean converting 1/2 to 2/4? if so multiply the top and bottom number by the same number