Adding and Subtracting Fractions

Front

What is a fraction?

Back

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

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number of a fraction and represents how many parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number of a fraction and represents how many equal parts the whole is divided into.

Front

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

Back

1/4 + 1/4 = 2/4 or 1/2.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the Least Common Denominator of 1/5 and 2/10?

Back

The LCD of 1/5 and 2/10 is 10.

Front

What do you need to add fractions?

Back

You need common denominators to add fractions.

Front

What is 3/4 + 1/4?

Back

3/4 + 1/4 = 4/4 or 1.

Front

What is the difference between adding and subtracting fractions?

Back

Adding fractions combines parts, while subtracting fractions finds the difference between parts.

Front

What is 13/15 - 3/4?

Back

13/15 - 3/4 = 7/60.