Question

find the sum of
39/4and 30/7​

Answer 1

Answer:

393/28

Step-by-step explanation:

39/4 + 30/7

7 × 4 = 28

39 × 7 / 4 × 7 + 30 × 4 / 7 × 4

273 / 28 + 120 / 28

273 + 120 / 28

393 / 28

Therefore 39/4 + 30/7 = 393/28 or 14.035

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Answer 2

Lcm of denominator 4 and 7 is 28.

So,

39×7 273

____ =____

4×7 28

Hence sum of

In the same way,

30×4 120

____= ____

7×4 28

Hence, sum of 39/4and 30/7​= 273/ 28 + 120/28

273+120

_______

28

=393/28

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