What should be subtracted from 5/14 so that the resultant fraction is 7/42?

(a) 1/21
(b) 2/21
(c) 4/21
(d) 5/21

Anurag Mishra Professor Asked on 8th March 2016 in Maths.
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1 Answer(s)

Answer:  (c) 4/21

Solution:-
Let X subtracted from 5/14. 

Then, 
5/14 – X = 7/42
– X = 7/42 – 5/14
X = 5/14 – 7/42
X =  (15 – 7)/42
X = 8/42
X = 4/21

Then,  4/21 should be subtracted from 5/14 so that the resultant fraction is 7/42.

Hence, the correct answer is option (c) 4/21. 

Anurag Mishra Professor Answered on 8th March 2016.
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