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Subtract 49/48 from 1/21

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

1/21 - 49/48 is -109/112.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    1/21 = 1 × 16/21 × 16 = 16/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    49/48 = 49 × 7/48 × 7 = 343/336
  4. Subtract the two like fractions:
    16/336 - 343/336 = 16 - 343/336 = -327/336
  5. After reducing the fraction, the answer is -109/112

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