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Subtract 3/56 from 21/60

21/60 - 3/56 is 83/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 60 × 14 = 840,
    21/60 = 21 × 14/60 × 14 = 294/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    3/56 = 3 × 15/56 × 15 = 45/840
  4. Subtract the two like fractions:
    294/840 - 45/840 = 294 - 45/840 = 249/840
  5. After reducing the fraction, the answer is 83/280

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