Adding and Subtracting Fractions

Front

What is a fraction?

Back

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

Front

What does the numerator in a fraction represent?

Back

The numerator indicates how many parts of the whole are being considered.

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

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 is the process to add fractions with different denominators?

Back

To add fractions with different denominators, first find the Least Common Denominator, convert the fractions, and then add the numerators.

Front

What is the sum of 1/8 and 5/8?

Back

The sum of 1/8 and 5/8 is 6/8 or 3/4.

Front

How do you subtract fractions with the same denominator?

Back

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

Front

What is 15/16 - 12/16?

Back

15/16 - 12/16 equals 3/16.

Front

What is the sum of 3/4 and 1/4?

Back

The sum of 3/4 and 1/4 is 1 or 4/4.