Exploring Fraction Operations and Simplifications

Why is it necessary to have common denominators when adding or subtracting fractions?

• To simplify the fractions

• To ensure the fractions are equivalent

• To make the fractions look similar

• To be able to add or subtract the numerators directly

What is the least common multiple of 6 and 8?

• 24

• 48

• 36

• 12

If you have the fractions 5/6 and 3/8, what is the least common denominator?

• 24

• 48

• 18

• 36

Tags

CCSS.7.NS.A.1C

What is the result of adding 5/6 and 3/8 after converting to a common denominator?

• 1 3/24

• 1 1/24

• 1 5/24

• 1 7/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When subtracting 1/2 from 1/3, what common denominator should be used?

• 12

• 6

• 3

• 2

Tags

CCSS.7.NS.A.1C

How do you handle a situation where the fraction to be subtracted is larger than the fraction being subtracted from?

• Multiply both fractions by the same number

• Convert both fractions to improper fractions

• Borrow 1 from the whole number part

• Add 1 to the smaller fraction

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of subtracting 3/6 from 8/6?

• 2/6

• 5/6

• 1/6

• 4/6

Tags

CCSS.6.NS.A.1

What is the first step in dividing fractions?

• Find a common denominator

• Convert to improper fractions

• Multiply the numerators

• Flip the second fraction

Tags

CCSS.6.NS.A.1

What is the reciprocal of 5/7?

• 7/5

• 5/7

• 1/5

• 1/7

Tags

CCSS.6.NS.A.1

What is the result of dividing 7/4 by 5/2?

• 14/5

• 7/10

• 7/8

• 14/20

Tags

CCSS.6.NS.A.1