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Subtract 40/21 from 35/48

1st number: 35/48, 2nd number: 1 19/21

35/48 - 40/21 is -395/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    35/48 = 35 × 7/48 × 7 = 245/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    40/21 = 40 × 16/21 × 16 = 640/336
  4. Subtract the two like fractions:
    245/336 - 640/336 = 245 - 640/336 = -395/336

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