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# Do you need a common denominator when subtracting fractions?

Updated: 4/28/2022

Wiki User

12y ago

Best Answer

yes you should use a common denominator when subtracting with fractions, it makes it much easier.

Wiki User

12y ago
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Q: Do you need a common denominator when subtracting fractions?
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Related questions

### Do you need a common denominator for dividing fractions?

No only when adding or subtracting fractions a common denominator is needed

Yes.

### Does division need a common denominator?

No, You only need a common denominator when adding or subtracting fractions.

### How is subtracting fractions like adding fractions?

You need a common denominator for both.

### Why do fractions need a common denominator before you add or subtract?

Because the answers will be wrong when adding or subtracting them if they don't have a common denominator.

### Why do fractions need to have a common denominator before subtracting or adding?

Because if there's no common denominator it'll be hard to simplify. And will cause you to get a headache.

### When adding or subtracting two fractions with denominators that are not equal what is the first step you take?

The first step to take is find the lowest common denominator of the fractions which can be done by finding the lowest common multiple of the numbers.

### How do you get the common denominator for dividing fractions?

You don't need a common denominator to divide fractions.

### Do you need a common denominator for all fractions before doing the order of operations?

You DO need a common denominator to add, subtract, or compare fractions. You DO NOT need a common denominator to multiply or divide fractions.

### How is finding the LCM revelant when adding and subtracting fractions?

To add and subtract fractions, you need common denominators. To find the common denominator, find the LCM of the denominators you wish to add or subtract.

Yes.

Yes