Adding and Subtracting Fractions - 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 denominators of two or more fractions are different.

Tags

CCSS.4.NF.A.2

Front

How do you find the Least Common Denominator (LCD)?

Back

The LCD is the smallest number that is a multiple of both denominators.

Front

What is the first step in adding fractions with unlike denominators?

Back

Find the Least Common Denominator (LCD) for the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the same number to make the denominators equal.

Front

What is the sum of 1/3 and 7/10?

Back

1 and 1/30.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 3/4 and 2/6?

Back

13/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 6/14 and 1/2?

Back

13/14.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you add fractions?

Back

After finding a common denominator, add the numerators and keep the common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 6/12 and 2/3?

Back

1 and 2/12 miles.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2