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Subtract 2/15 from 5/84

5/84 - 2/15 is -31/420.

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,
    5/84 = 5 × 5/84 × 5 = 25/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    2/15 = 2 × 28/15 × 28 = 56/420
  4. Subtract the two like fractions:
    25/420 - 56/420 = 25 - 56/420 = -31/420

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