Add and Subtract Fractions with Unlike Denominators

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).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to have unlike denominators?

Back

Unlike denominators are when the bottom numbers of two or more fractions are different.

Tags

CCSS.4.NF.B.3A

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.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract fractions with unlike denominators?

Back

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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, allowing them to be added or subtracted.

Front

What is the first step in adding 2/3 and 1/2?

Back

The first step is to find a common denominator, which for 3 and 2 is 6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 2/3 + 1/2?

Back

The result is 7/6.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 1/4 and 1/6?

Back

The difference is 1/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process to find the difference of two fractions?

Back

1. Find a common denominator. 2. Convert the fractions. 3. Subtract the numerators.

Tags

CCSS.7.NS.A.1C

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1