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Subtract 1/24 from 42/40

1st number: 1 2/40, 2nd number: 1/24

42/40 - 1/24 is 121/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 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 24 × 5 = 120,
    1/24 = 1 × 5/24 × 5 = 5/120
  4. Subtract the two like fractions:
    126/120 - 5/120 = 126 - 5/120 = 121/120
  5. In mixed form: 11/120

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