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Subtract 15/50 from 40/28

1st number: 1 12/28, 2nd number: 15/50

40/28 - 15/50 is 79/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 50 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 28 × 25 = 700,
    40/28 = 40 × 25/28 × 25 = 1000/700
  3. Likewise, for the 2nd fraction, since 50 × 14 = 700,
    15/50 = 15 × 14/50 × 14 = 210/700
  4. Subtract the two like fractions:
    1000/700 - 210/700 = 1000 - 210/700 = 790/700
  5. After reducing the fraction, the answer is 79/70
  6. In mixed form: 19/70

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