Fractions Add and Subtract

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 find a common denominator?

Back

Finding a common denominator means identifying a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you subtract fractions with different denominators?

Back

1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Subtract the numerators and keep the common denominator.

Front

What is the first step in adding fractions?

Back

The first step is to find a common denominator.

Front

What is the result of 8/9 - 1/3?

Back

5/9

Front

What is the difference of 7/8 - 1/3?

Back

13/24

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

What is the difference of 12/20 and 11/20?

Back

1/20

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

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.