Adding and 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).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number of a fraction and represents how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number of a fraction and represents how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the Least Common Denominator of 1/5 and 2/10?

Back

The LCD of 1/5 and 2/10 is 10.

Front

What is the process to add fractions with different denominators?

Back

To add fractions with different denominators, first find the Least Common Denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process to subtract fractions with different denominators?

Back

To subtract fractions with different denominators, find the Least Common Denominator, convert the fractions, and then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 1/2 + 5/8?

Back

1/2 + 5/8 = 6/8 or 3/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is 13/15 - 3/4?

Back

13/15 - 3/4 = 7/60.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 1/2 and 1/6?

Back

1/2 - 1/6 = 1/3.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2