Adding & Subtracting Fractions with UNLIKE Denominators

Front

When the denominators are not the same, I must find a...

Back

common denominator

Front

When adding or subtracting fractions, I NEVER add or subtract the...

Back

denominators

Front

When adding or subtracting fractions, I always add or subtract the...

Back

numerators

Front

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

Back

simplify

Front

What is the best common denominator for this problem? Options: 5, 2, 20, 10

Back

10

Front

What is the best common denominator for this problem? 6, 8, 24, 48

Back

24

Front

Find equivalent fractions with common denominators for the problem shown above: 4/15 and 2/15, 24/30 and 20/30, 12/15 and 2/15, 12/15 and 10/15.

Back

12/15 and 10/15

Front

Find equivalent fractions and common denominators for the problem shown above: 1/10 and 4/10, 5/10 and 4/10, 1/20 and 2/20, 5/10 and 2/10.

Back

5/10 and 4/10

Front

Solve.

Back

5/9

Front

Solve.

Back

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