Add and Subtract Fractions with Unlike Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as two numbers separated by a slash, such as 1/2.

Front

What are unlike denominators?

Back

Unlike denominators are denominators in fractions that are not the same, for example, 1/4 and 1/3.

Front

How do you add fractions with unlike denominators?

Back

To add fractions with unlike denominators, first find a common denominator, convert the fractions, and then add 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 fractions with unlike denominators?

Back

The first step is to find a common denominator for the fractions.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.

Front

Convert the mixed number 2 1/3 to an improper fraction.

Back

Front

What is the difference between 5/6 and 1/3?

Back

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factors to reach the common denominator.