Fractions!

Adding

10

2/11 + 3/11

= 5/11

20

1/2 + 1/3

= 5/6

30

1/3 + 1/6

= 1/2

40

3/19 + 1/2

= 25/38

50

10/15 + 4/20

= 13/15

Subtracting

10

7/11 - 5/11

= 2/11

20

2/5 - 1/4

= 3/20

30

5/14 - 1/3

= 1/42

40

5/18 - 2/15

= 13/90

50

17/20 - 7/16

= 13/45

Reducing to Simplest Terms

10

15/21

= 5/7

20

24/42

= 4/7

30

10/120

= 1/12

40

30/55

= 6/11

50

35/56

= 5/8

Common Denominator

10

1/4 + 3/6

12

20

11/20 + 3/8

40

30

4/9 + 2/15

45

40

4/5 - 2/13

65

50

17/20 - 7/16

80

Surprise

10

2/3 - 1/2

= 1/6

20

Is 6/13 > 21/41 ?

No!

30

6/7 - 2/5

= 16/35

40

Simplify 56/80

= 7/10

50

9/10 - 5/6

= 1/15