Rules for Adding & Subtracting Fractions

The ________________ need to be the same in order to add or subtract fractions.

• numerators

• denominators

• addends

• products

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If the denominators are the __________, just add or subtract the ______________.

• different; numerators

• same; denominators

• same; numerators

• different; numerators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If one of the fractions is a multiple of the other fraction, change the fraction to an ____________ fraction with the same denominator as the other fraction.

• common

• same

• equivalent

• congruent

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

You can __________ both _____________ by each other to create a common denominator.

• divide; numerators

• multiply; numerators

• divide; denominators

• multiply; denominators

Tags

CCSS.5.NF.B.5B

Select all the possible COMMON denominators for the fractions 2/3 and 3/4.

• 6

• 12

• 18

• 24