Mastering the Steps to Add and Subtract Fractions

What is the first step in adding or subtracting fractions with different denominators?

• Add or subtract the numerators directly.

• Find the least common multiple of the denominators.

• Multiply the denominators.

• Simplify the fractions.

Tags

CCSS.7.NS.A.1C

What does finding a common denominator allow us to do?

• Add or subtract the fractions.

• Multiply fractions more easily.

• Directly compare the fractions.

• Simplify the fractions before adding or subtracting.

Tags

CCSS.7.NS.A.1C

How do you find the equivalent fraction for 2/5 with a denominator of 15?

• Multiply both the numerator and denominator by 3.

• Divide the numerator by 3.

• Multiply the numerator by 3.

• Multiply the denominator by 3.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the result of adding 2/5 and 1/3 after finding a common denominator?

• 8/15

• 11/15

• 6/15

• 3/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When subtracting fractions with different denominators, what is the first step?

• Subtract the numerators.

• Find the least common denominator.

• Simplify the fractions.

• Multiply the denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the common denominator for 7/8 and 1/3?

• 8

• 3

• 24

• 12

After finding the common denominator, what is the next step in subtracting fractions?

• Multiply the fractions.

• Simplify the fractions.

• Add the denominators.

• Subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of subtracting 1/3 from 7/8 after finding a common denominator?

• 8/24

• 6/24

• 15/24

• 13/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Why is it important to simplify the final fraction?

• To find the least common denominator.

• To make the fraction easier to understand.

• To ensure the fraction is in its highest form.

• To prepare the fraction for further mathematical operations.

What is the final step after adding or subtracting fractions with a common denominator?

• Multiply the denominators.

• Simplify the fraction, if possible.

• Rename the fractions.

• Find a new common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2