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Subtract 1/12 from 84/40

1st number: 2 4/40, 2nd number: 1/12

84/40 - 1/12 is 121/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 12 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    84/40 = 84 × 3/40 × 3 = 252/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    1/12 = 1 × 10/12 × 10 = 10/120
  4. Subtract the two fractions:
    252/120 - 10/120 = 252 - 10/120 = 242/120
  5. After reducing the fraction, the answer is 121/60
  6. In mixed form: 21/60

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