Question

what should be added to twice the rational number -3/4 to get 5/7. pls tell the correct answer the right answer will be marked as brainlist . ​

Answer 1

Answer:

41/56

Step-by-step explanation:

Let the required number be x

According to the question

$\frac{ - 3}{4} + 2x = \frac{5}{7} \\ 2x = \frac{5}{7} + \frac{3}{4} \\ 2x = \frac{20 + 21}{28} \\ 2x = \frac{41}{28 } \\ x= \frac{41}{56}$

Answer 2

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Answer:

41/56

Step-by-step explanation:

Let the required number be x

According to the question

$\frac{ - 3}{4} + 2x = \frac{5}{7} \\ 2x = \frac{5}{7} + \frac{3}{4} \\ 2x = \frac{20 + 21}{28} \\ 2x = \frac{41}{28 } \\ x= \frac{41}{56}$