4th Grade Fractions

Adding Common Denominators

100

3/5 + 1/5

What is 4/5 ?

200

4/8 + 3/8

What is 7/8 ?

300

11/17 + 3/17

What is 14/17 ?

400

200/350 + 110/350

What is 310/350 ?

500

3/M+ 9/M =

What is 12/M?

Subtracting Common Denominators

100

4/7 - 1/7

What is 3/7 ?

200

6/9 - 4/9 =

What is 2/9 ?

300

1 - 1/5 =

What is 4/5 ?

400

24/25 - 7/25 =

What is 17/25 ?

500

1- 13/16 =

What is 3/16 ?

Adding Mixed Numbers

100

 3  1/3 +   2  1/3 =

What is 5   2/3 ?

200

4  2/4 + 1  1/4

What is  5 3/4 ?

300

 11  3/8 +   13  5/8

What is 24 8/8  or 25?

400

3  14/25 +   7  11/25

What is 10   25/25 or 11 ?

500

1   1/5 + 2  2/5 + 3  3/5

(Must give answer as whole number!)

6  5/5 =  7 wholes

Subtracting Mixed Numbers

100

2  3/4 -  1  1/4 =

What is 1  2/4 ?

200

 3  7/12 - 1  4/12 =

What is  2   3/12?

300

11   9/10 -   7   8/10

What is 4  1/10 ?

400

3  1/12 -   1   3/12

(Be careful! REGROUP!)

What is  1   10/12?

500

6 -  1  1/2 =

(CAREFUL! REGROUP!)

What is 4  1/2 ?

Which is the Bigger Fraction?

100

1/3 or 1/2

What is 1/2 ?

200

3/5 or 5/10 ?

What is 3/5 ?

300

4/5 or 7/9

What is 4/5 ?

400

11/13 or 8/10

What is 11/13 ?

500

23/40 or 41/78

What is 23/40 ?