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Subtract 1/40 from 32/21

1st number: 1 11/21, 2nd number: 1/40

32/21 - 1/40 is 1259/840.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    32/21 = 32 × 40/21 × 40 = 1280/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    1/40 = 1 × 21/40 × 21 = 21/840
  4. Subtract the two like fractions:
    1280/840 - 21/840 = 1280 - 21/840 = 1259/840
  5. In mixed form: 1419/840

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