Question

Express each of the following as a rational number: 7/12 - 5/6 + 1/8 - 5/8

Answer 1

The answer is -0.75

Explanation:

7/12-5/6+1/8-5/8

find Lcm of 12 and 8 is 24

7/12-5/6+1/8-5/8

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24

2(7)-4(5)+3(1)-3(5)

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24

14-20+3-15

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24

= -18

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24

=-3/4

= -0.75