Fractions Operations

Subtract Fractions

100

What must be the same when subtractng fractions?

The Denominator

200

Subtract these two fractions:

5/7 - 3/7

2/7

300

Subtract these two fractions:

3/4 - 1/2

1/4

400

Subtract these two fractions:

4/5 - 3/4 

1/20

500

Subtract these two fractions:

8/9 - 3/5

13/45

Add Fractions

100

What must be the same when adding fractions?

The Denominator

200

Add these two fractions:

3/8 + 1/8

4/8 or 1/2

300

Add these two fractions:

1/2 + 1/4

3/4

400

Add these two fractions:

1/4 + 4/6

11/12

500

Add these two fractions:

1/3 + 7/10

1 1/30

Multiply Fractions

100

True/False: The Denominators must match in order to multiply fractions.

False

200

Multiply these two fractions:

1/2 x 1/2 

1/4

300

Multiply these two fractions:

1/3 x 1/4

1/12

400

Multiply these two fractions:

2/5 x 3/4

3/10

500

Multiply these two fractions:

2/4 x 7/11

7/22

Divide Fractions

100

True/False: The Denominators don't need to match in order to divide two fractions.

True

200

Divide 3/4 by 3/4.

1

300

Divide 5/7 by 2/4.

1 and 3/7

400

Divide 12/14 by 30/35.

1

500

Divide 35/17 by 30/34. 

7/3

Number Sense

100

What is a fraction called when the top number is bigger than the bottom number?

Improper Fraction

200

Simplify 8/12

2/3

300

Simplify -24/44 

What is -6/11

400

Change 103/25 to a mixed number

4 3/25

500

Anyone with a score under 2,000 gets an extra 500 points if they can spell Mrs. B's last name correctly.

No cheating!

Mrs. Boell