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subtracting fractions
## SuperKids Math Review## How to Subtract Fractions- Subtracting fractions with COMMON denominators
- Creating common denominators
- Subtracting fractions with DIFFERENT denominators
No reduction is possible, so we have found the answer!
Then reduce:
First convert the mixed number to an improper fraction:
Then subtract:
Then reduce the fraction:
Select the denominator of the first fraction (3) and multiply the top and bottom of the second fraction (1/4) by that number:
These two fractions (8/12 and 3/12) have common denominators - the number 12 on the bottom of the fraction. Subtract, using these two new fractions:
Select the denominator of the first fraction (5) and multiply the top and bottom of the second fraction (2/7) by that number
These two fractions (21/35 and 10/35) have common denominators -- the number 35 on the bottom of the fraction. We can now subtract, because the two new fractions have a common denominator:
Got it? Great! Then go to the SuperKids Math Worksheet Creator for Basic Fractions, and give it a try!
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