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Subtract 1/60 from 42/40

1st number: 1 2/40, 2nd number: 1/60

42/40 - 1/60 is 31/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 60 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    1/60 = 1 × 2/60 × 2 = 2/120
  4. Subtract the two fractions:
    126/120 - 2/120 = 126 - 2/120 = 124/120
  5. After reducing the fraction, the answer is 31/30
  6. In mixed form: 11/30

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