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 it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

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 the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that is common to the denominators of the fractions.

Front

What is the first step in subtracting 7/8 - 7/12?

Back

The first step is to find the least common denominator of 8 and 12, which is 24.

Front

What is 7/8 converted to a fraction with a denominator of 24?

Back

7/8 is converted to 21/24.

Front

What is 7/12 converted to a fraction with a denominator of 24?

Back

7/12 is converted to 14/24.

Front

What is the result of 21/24 - 14/24?

Back

The result is 7/24.

Front

What is the result of 8/15 - 1/6?

Back

The result is 11/30.