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Subtract 75/20 from 50/15

1st number: 3 5/15, 2nd number: 3 15/20

50/15 - 75/20 is -5/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    50/15 = 50 × 4/15 × 4 = 200/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    75/20 = 75 × 3/20 × 3 = 225/60
  4. Subtract the two like fractions:
    200/60 - 225/60 = 200 - 225/60 = -25/60
  5. After reducing the fraction, the answer is -5/12

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