Question

What should be added to the sum of 3/7 and thrice of -6/7to get 17/13

Answer 1

Given - Digits to be taken for sum - 3/7 and thrice of -6/7

Find - Number needed to be added to sum, to obtain result 17/13.

Solution - Numbers to be taken for sum -

1. 3/7 = 0.42
2. thrice of -0.86 = -2.57

Sum of these digits -

0.42 + (-2.57)

-2.14

Now, let the number to be added to sum be X.

17/13 = 1.3

Thus, new equation will be -

-2.14 + X = 1.3

X = 3.45

Hence, number to be added will be - 3.45