Find Fraction to be added to make Whole Number

Which fraction should be added to the sum of 23/4, 24/5 and 59/8 to make the result a whole number?

  1. 1/40
  2. 3/40
  3. 1/10
  4. 1/20
Pushpendra Pal Dean Asked on 14th September 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 3/40

    Explanation:-
    The sum of 23/4, 24/5 and 59/8 = 23/4 + 24/5 + 59/8
    = (23 x 10 + 24 x 8 + 59 x 5)/40
    = (230 + 192 + 295)/40
    = 717/40 = 17 + 37/40
    Let the added X to make whole number.
    Then, 37/40 + X = 1
    (37 + 40X )/40 = 1
    37 + 40 X = 40
    40X = 40 – 37
    X = 3/40

    Hence, the answer is (2) 3/40.

    Anurag Mishra Professor Answered on 15th September 2015.
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