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 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 number that is a multiple of the denominators of two or more fractions.

Front

What is the first step in subtracting 11/12 - 1/4?

Back

The first step is to find a common denominator for 12 and 4, which is 12.

Front

What is 1/4 expressed with a denominator of 12?

Back

1/4 is equivalent to 3/12.

Front

What is the result of 11/12 - 3/12?

Back

The result is 8/12, which simplifies to 2/3.

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 the result over the original denominator.

Front

Convert 6 2/5 to an improper fraction.

Back

6 2/5 = (6*5 + 2)/5 = 32/5.

Front

What is the result of subtracting 32/5 - 7/2?

Back

First, find a common denominator (10), then convert and subtract to get 2 9/10.