Question

20 points!

Answer 1

C

Step-by-step explanation:

15/16-3/8 is equal to 0.5625. One half is 0.5 answer C is closest.

Answer 2

A .

8/9 - 11/12 =

8×4/9×4 - 11×3/12×3 =

32/36 - 33/36 =

- 1/36

______________________________

B .

6/7 - 1/9 =

6×9/7×9 - 1×7/9×7 =

54/63 - 7/63 =

47/63

_____________________________

C .

15/16 - 3/8 =

15/16 - 3×2/8×2 =

15/16 - 6/16 =

9/16

____________________________

D .

3/5 - 6/11 =

3×11/5×11 - 6×5/11×5 =

33/55 - 30/55 =

3/55

_____________________________

1/2 = 0.5000

A . - 1/36 = - 0.0277

B . 47/63 = 0.7460

C . 9/16 = 0.5625

D . 3/55 = 0.0545

As you can see the closest difference to 1/2 belong to option C .