Rational Numbers

Addition

100

5/13 + -7/13

-2/13

200

-7/15 + 9/15

2/15

300

7/6 + 2/5

47/30

400

-5/3 + 6/8

-11/12

500

-13/5 + 17/6

7/30

Subtraction

100

7/13 - 4/13

3/13

200

6/14 - (-4/14)

5/7

300

12/10 - 5/10

7/10

400

-10/6 - 5/6

-5/2

500

9/15 - 8/14

1/35

Multiplication

100

5/13 ⋅ 4/13

20/169

200

-5/12 ⋅ 7/12

-35/144

300

10/4 ⋅ 1/7

5/14

400

-6/14 ⋅ 7/4

-3/4

500

-14/13 ⋅ 16/4

-56/13

Division

100

9/13 ÷ 7/13

9/7

200

-8/14 ÷ 5/14

-8/5

300

12/6 ÷ 2/6

6

400

-5/16 ÷ 7/5

-25/112

500

-17/9 ÷ 15/7

-119/136

LAST QUESTION

100

(-28/39 ÷ 23/47) ⋅ 29/40

-9541/8970