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Subtract 81/56 from 50/12

1st number: 4 2/12, 2nd number: 1 25/56

50/12 - 81/56 is 457/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 56 is 168
  2. For the 1st fraction, since 12 × 14 = 168,
    50/12 = 50 × 14/12 × 14 = 700/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    81/56 = 81 × 3/56 × 3 = 243/168
  4. Subtract the two fractions:
    700/168 - 243/168 = 700 - 243/168 = 457/168
  5. In mixed form: 2121/168

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