Fraction Quiz 2

Which two operations do you need common denominators?

• Adding & Subtracting

• Adding & Multiplying

• Multiplying & Dividing

• Subtracting & Dividing

1/4 + 1/5=

• 2/9

• 9/20

• 1/9

• 2/20

2/3 + 1/2

• 3/5

• 3/6

• 7/6

• 2/6

7/10 - 1/4

• 6/6 = 1

• 8/14 = 4/7

• 38/40 = 16/20 = 8/10

• 18/40 = 9/20

5/9 x 3/5

• 15/45 = 1/3

• 8/14 = 4/7

• 52/45

• 15/40

6/11 x 1/8

• 6/88 = 3/44

• 48/11

• 7/19

• 6/80 = 3/40

What operation is the strategy: Keep, Change, Flip. used for?

• Adding Fractions

• Subtracting Fractions

• Multiplying Fractions

• Dividing Fractions

In Keep, Change, Flip: What do you change?

• The first fraction

• the second fraction

• the operation from division to multiplication

8/3 ÷ 1/3

• 8

• 8/9

• 27/8 = 3 3/8

• 9/9 = 1

4/9 ÷ 1/5

• 20/9 = 2 2/9

• 29/4 = 7 1/4

• 4/45

• 20/45