Adding and Subtracting Mixed Numbers with Unlike Denominators

• 18 7/12

• 193/12

• 16 1/12

• 1/12

Tags

CCSS.7.NS.A.1C

• 3 1/30

• 91/30

• 3 1/10

• 1/3

Tags

CCSS.7.NS.A.1C

8   4/5    +    9  1/10  =

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1    1/3   +    4    1/4 =

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Lily jumped rope for 1 1/3 of an hour on Monday and 3/5 of an hour on Tuesday. How much time did Lily jump rope?

• 1 2/5 hours

• 1 3/15 hours

• 1 14/15 hours

• 1 1/2 hours

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Can you add fractions with different denominators?

• Yes, you just add straight across

• Yes, you just simplify at the end

• No, you must find a common denominator

• No, the math police will come get you

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5 4/8 + 4 3/8

• 9 7/15

• 8 7/16

• 10 7/8

• 9 7/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6 2/4 + 3 1/4

• 10 1/4

• 9 3/4

• 9 1/4

• 9 2/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D