Mixed-Number Addition

Answer explanation

To make 2 3/4 into a fraction you...

1) multiply the denominator by the whole number: 4x2 = 8

2)Then add the product to the numerator: 8 + 3= 11

3) Put the total over your original denominator: 11/3

Answer explanation

To turn 17/3 into a mixed number you..

1) Divide 17 by 3 = 5 R2

2) Take the quotient and put the remainder over the original denominator: 5 2/3

• 12 10/8

• 13 2/8

• 12 1/4

• 13 1/4

Answer explanation

When you add the mixed numbers you get 12 10/8, however you need to simplify.

10/8 -> 1 2/8 -> 1 1/4

So, 12 + 1 1/4 = 13 1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 5 5/7

• 6 3/10

• 5 13/10

• 6 3/5

Answer explanation

First you find a common denominator -> 10

Then, rename the fractions:

3 5/10 + 2 8/10 = 5 13/10

Finally, you need to simplify:

13/10 -> 1 3/10

5 + 1 3/10 = 6 3/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2