Adding Common Denominators

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions. It allows you to add or subtract fractions easily.

Front

How do you find a common denominator for 1/4 and 1/2?

Back

The common denominator for 1/4 and 1/2 is 4. You can convert 1/2 to 2/4 to add them.

Front

What is the sum of 1/4 + 1/4?

Back

1/4 + 1/4 = 2/4, which simplifies to 1/2.

Front

What is the sum of 2/6 + 3/6?

Back

2/6 + 3/6 = 5/6.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators.

Front

What is 3/8 + 1/8?

Back

3/8 + 1/8 = 4/8, which simplifies to 1/2.

Front

What is the difference between 5/8 and 3/8?

Back

5/8 - 3/8 = 2/8, which simplifies to 1/4.

Front

What is 2/5 + 1/5?

Back

2/5 + 1/5 = 3/5.

Front

What is the sum of 4/12 + 2/12?

Back

4/12 + 2/12 = 6/12, which simplifies to 1/2.

Front

What is 7/10 + 2/10?

Back

7/10 + 2/10 = 9/10.