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Subtract 3/5 from 1/84

1/84 - 3/5 is -247/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    3/5 = 3 × 84/5 × 84 = 252/420
  4. Subtract the two like fractions:
    5/420 - 252/420 = 5 - 252/420 = -247/420

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