Math Mania-Add and Subtract with Like Denominators

Math Mania-Add and Subtract with Like Denominators

Multiple Choice

The top number is called the ___________.

• denominator

• numerator

Multiple Choice

The bottom number is called the __________.

• numerator
• denominator

Multiple Choice

What is the sum of these 2 fractions?

• 6/18

• 3/9

• 6/9

• 1/9

Fill in the Blanks

What is sum of these two fractions?

Multiple Choice

5/6 + 1/6

• 6/12

• 6/6 or 1

Fill in the Blanks

3/8 + 2/8

Fill in the Blanks

1/5 + 1/5 + 1/5

Multiple Choice

• 7/16

• 1 1/8

• 7/8

• 9/8

Fill in the Blanks

What is the difference of 6/8 and 4/8?

Multiple Choice

6/10 - 5/10

• 1/10

• 1/20

• 1/0

Fill in the Blanks

6/12 - 3/12

Multiple Choice

• one whole and two sixths

• two sixths

• eight twelfths

Multiple Choice

4 ⁵/₉ + 5 ⁴/₉

• 9 9/18

• 11

• 10

Fill in the Blanks

3 ²/₅ + 4 ⁴/₅

Multiple Choice

 $6\ \frac{3}{4}-2\ \frac{1}{4}$  

•  $4\ \frac{2}{4}$  

•  $4\ \frac{2}{0}$  
  

Sometimes you have to borrow.

4 1/3 - 2 2/3=

Borrow a whole (3/3) from the 4 and add it to 1/3.

3 4/3 -2 2/3=

Now you can subtract.

3-2=1

4/3 -2 /3 = 2/3

So, 4 1/3- 2 2/3 = 1 2/3

Multiple Choice

8 ²/₇ - 5 ⁵/₇

• 2 ⁷/₇

• 2 ⁴/₇

• 3 ³/₇

• 3 ⁴/₇

Fill in the Blanks

9 ¹/₈ - 4 ⁵/₈

Big Problem for Big Reward

Fill in the Blanks

Mrs. Swift was making a bowl of fruit salad. She used grapes, strawberries, and blueberries. She used 3/10 of a pound of grapes, and 1/10 of pound of strawberries. The rest of the fruit was blueberries. What fraction of the fruit salad was blueberries?