Adding and subtracting with like and unlike denominators

Adding fractions with like denominators

100

What is 1/4+1/4

2/4 and or 1/2

200

what is 3/4+2/4

1 1/4 and or 5/4

300

what is 5/4+7/4

12/4 or 3 wholes

400

what is 4/4+17/4

21/4 or 5 1/4

500

what is 13/4+17/4

30/4 or  7 2/4 or 7 1/2

subtract fractions with like denominators

100

 what is 2/4-1/4

1/4

200

what is 3/4 - 1/4

2/4 or 1/2

300

what is 1 3/4-5/4

2/4 or 1/2

400

 what is 8/4 - 1 2/4

1/2 or 2/4

500

what is 16/4 - 2

2 or 8/4

adding fractions with unlike denominators

100

what is 1/3 + 2/5

11/15

200

what is 1/5+7/8

43/45

300

what is 3/4+7/8

13/8 or 1 5/8

400

what is 7/4+3/7

61/28 or 2 5/28

500

what is 1/7+3/4

25/28

subtracting fractions with unlike denominators

100

what is 4/5-1/2

3/10

200

what is 4/8-2/10

12/40

300

what is 1/4-2/10

1/20

400

what is 3/8-1/10

11/40

500

what is 1/2-1/6

2/6

simplify

100

what is 16/4 simplified

4 wholes

200

what is 9/3 simplified

3 wholes

300

what is 17/3 simplified

5 2/3

400

what is 20/5 simplified

4 wholes

500

what is 13/2 simplified 

6 1/2