Mastering Addition and Subtraction of Fractions with Unlike Denominators

How do you add fractions with like denominators?

• Subtract the numerators and keep the denominators the same

• Add the denominators and keep the numerators the same

• Add the numerators and keep the denominators the same

• Multiply the numerators and add the denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of adding 2/4 and 1/4?

• 2/4

• 1/4

• 3/4

• 4/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• Multiply the fractions

• Find a common denominator

• Subtract the smaller fraction from the larger one

• Add the numerators directly

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you find the equivalent fraction of 1/4 with a denominator of 8?

• Divide both numerator and denominator by 4

• Multiply both numerator and denominator by 2

• Multiply both numerator and denominator by 4

• Divide both numerator and denominator by 2

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the sum of 5/8 and 1/4 after finding a common denominator?

• 8/8

• 7/8

• 9/8

• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• 4/9

• 5/9

• 6/9

• 7/9

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the result of adding 2/3 and 1/9?

• 8/9

• 9/9

• 6/9

• 7/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• Subtract the numerators directly

• Find a common denominator

• Multiply the fractions

• Add the fractions first

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the equivalent fraction of 2/5 with a denominator of 15?

• 5/15

• 6/15

• 4/15

• 7/15

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the result of subtracting 2/5 from 8/15 after finding a common denominator?

• 4/15

• 3/15

• 2/15

• 1/15

Tags

CCSS.7.NS.A.1C