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Subtract 4/21 from 1/60

1/60 - 4/21 is -73/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    1/60 = 1 × 7/60 × 7 = 7/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    4/21 = 4 × 20/21 × 20 = 80/420
  4. Subtract the two like fractions:
    7/420 - 80/420 = 7 - 80/420 = -73/420

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