Adding and Subtracting Fractions 4th grade

Front

What is the sum of 2/7 and 4/7 in simplest form?

Back

6/7

Front

What must you have to add and subtract fractions?

Back

Common denominators

Front

What is the result of adding 3/8 and 5/8?

Back

1 foot

Front

If a pizza has 5 pieces and Sara eats 3, what fraction of the pizza did she eat?

Back

3/5

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find a common denominator for 1/4 and 1/6?

Back

The least common multiple (LCM) of 4 and 6 is 12, so the common denominator is 12.

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator.

Front

How do you convert 1/3 to a fraction with a denominator of 9?

Back

Multiply both the numerator and denominator by 3 to get 3/9.

Front

What is the sum of 1/2 and 1/4?

Back

3/4

Front

If you have 2/5 and you subtract 1/5, what is the result?

Back

1/5