Question

Subtract the sum of – 5/7 and – 8/3 from the sum of 5/2 and – 11/12.​

Answer 1

Answer:

2and11/28

Step-by-step explanation:

Sum:

1. -5/7+-8/3=-71/21
2. 5/2+-11/12=19/12

Now;

• 19/12-(-17)/21
• 133/84 -(-68)/84
• 201/84
• 67/28
• 2and11/28(Mixed Form)

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Answer 2

Answer:

The value is 417/84.

Step-by-step explanation:

Given the question sum of -5/7 and -8/3 from the sum of 5/2 and -11/12

First we calculate the sum of -5/7 and -8/3

⇒$\frac{-5}{7} +\frac{-8}{3}$

Take L.C.M(7,3) is 21

= $\frac{(-5)(3)+(-8)(7)}{21}$

=$\frac{-15-56}{21}$

= $\frac{-71}{21}$ -------------------(1)

We calculate the sum of 5/2 and -11/12 is

$\frac{5}{2} +\frac{-11}{12}$

Take L.C.M(2,12) is 12

=$\frac{5(6)+(-11)(1)}{12}$

=$\frac{30-11}{12}$

=$\frac{19}{12}$    --------------------(2)

Subtract -71/21 from 19/12

$\frac{19}{12} -\frac{-71}{21}$  

Take lcm(12,21) is 84

$\frac{19(7)+(71)(4)}{84}$ =$\frac{133+284}{84} =\frac{417}{84}$ = 4.96

Therefore, the value is 417/84.