Question

Simplify : (-7/18 × 15/-7) - (1 × 1/4) + (1/2 × 1/4)​

Answer 1

17/24

Explanation:

This expression simplifies to the following:

-7 15 1 1

---- * ----- - ----- + -----

18 -7 4 8

Reducing the product, we get

15 1

-------- - -----

18 8

and this simplifies further:

5 1

----- - -----

6 8

The LCD is 24. Thus, we have:

20 3 17

------ - ----- = -----

24 24 24