Subtraction with Fractions and Regrouping Challenge

This video tutorial explains how to subtract fractions with unlike denominators using regrouping. It begins by identifying the need for a common denominator and demonstrates how to find it. The tutorial then covers regrouping, borrowing from whole numbers, and converting fractions to improper fractions to facilitate subtraction. Finally, it shows how to simplify the resulting fraction to its simplest form.

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

• Identify if the denominators are the same or different

• Subtract the numerators directly

• Find the least common denominator

• Multiply the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Why do we need a common denominator to subtract fractions?

• To add the fractions instead

• To make the fractions equivalent

• To simplify the numerators

• To multiply the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 3 and 6?

• 6

• 18

• 9

• 3

How do you convert 1/3 to a fraction with 6 as the denominator?

• Multiply by 6/6

• Multiply by 1/1

• Multiply by 3/3

• Multiply by 2/2

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the result of subtracting 5/6 from 8/6?

• 3/6

• 4/6

• 1/6

• 2/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What do you need to do if you cannot subtract due to a smaller numerator?

• Multiply the fractions

• Convert to a decimal

• Regroup or borrow from the whole number

• None of the above

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you simplify the fraction 3/6?

• Divide by 2

• Divide by 3

• None of the above

• Multiply by 2

What is the final simplified form of 1 3/6?

• 2

• 1 2/3

• 1 1/3

• 1 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2