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 it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions.

Front

How do you subtract fractions with the same denominator?

Back

When subtracting fractions with the same denominator, subtract the numerators and keep the denominator the same.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, 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

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the result of 11/20 - 2/5?

Back

3/20

Front

What is the result of 4 7/12 - 2 2/3?

Back

1 11/12

Front

What is the result of 5 11/12 - 2 1/6?

Back

3 3/4