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Subtract 50/15 from 50/84

1st number: 50/84, 2nd number: 3 5/15

50/84 - 50/15 is -115/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    50/84 = 50 × 5/84 × 5 = 250/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    50/15 = 50 × 28/15 × 28 = 1400/420
  4. Subtract the two like fractions:
    250/420 - 1400/420 = 250 - 1400/420 = -1150/420
  5. After reducing the fraction, the answer is -115/42

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