Question

7. What number should be added to - 1 so as to get 5by7 ?
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Answer 1

Answer:

12/7

we need to subtract -1 from 5by7

Answer 2

SoLuTiOn

Step-by-step explanation:

Let x should be added

$: \: ⟹ \: \: - 1 + x = \frac{5}{7}$

$: \: ⟹ \: \: x = \frac{5}{7} + 1$

$: \: ⟹ \: \: x = \frac{5 + 7}{7}$

$: \: ⟹ \: \: x = \frac{12}{7}$

$Then, \: \: \: \: \: \: \frac{12}{7} \: \: should \: be \: added$