Adding and Subtracting Fractions with Like-Denominators

Front

What do you need to add or subtract fractions?

Back

Common denominators.

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

If you have 1/4 and 2/4, what is 1/4 + 2/4?

Back

3/4.

Front

If you have 3/5 and 1/5, what is 3/5 - 1/5?

Back

2/5.

Front

What is the numerator in the fraction 3/7?

Back

3.

Front

What is the denominator in the fraction 3/7?

Back

7.

Front

Can you add 1/3 and 1/4 directly?

Back

No, you need a common denominator first.

Front

What is the common denominator of 1/2 and 1/3?

Back

6.

Front

If you have 2/6 and 1/6, what is 2/6 + 1/6?

Back

3/6 or 1/2.

Front

What happens when you subtract a larger fraction from a smaller fraction?

Back

You get a negative fraction.