Adding and Subtracting Fractions - Unlike denominators

Front

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

Back

Find the least common denominator (LCD) of the fractions.

Tags

CCSS.7.NS.A.1C

Front

How do you find the least common denominator (LCD) for two fractions?

Back

List the multiples of each denominator and find the smallest multiple they have in common.

Front

What is the least common denominator (LCD) of 3 and 4?

Back

12

Front

What is the process to add fractions with unlike denominators?

Back

Convert each fraction to an equivalent fraction with the LCD, then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of adding 1/4 + 1/6?

Back

5/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you subtract fractions with unlike denominators?

Back

Convert each fraction to an equivalent fraction with the LCD, then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of subtracting 3/8 - 1/4?

Back

1/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If Sally ran 6/12 of a mile and Jeremy ran 2/3 of a mile, how do you find the total distance they ran?

Back

Convert both fractions to have a common denominator, then add them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the equivalent fraction of 2/3 with a denominator of 9?

Back

6/9

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the sum of 3/5 + 1/10?

Back

7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2