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Subtract 7/10 from 42/24

1st number: 1 18/24, 2nd number: 7/10

42/24 - 7/10 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 10 is 120
  2. For the 1st fraction, since 24 × 5 = 120,
    42/24 = 42 × 5/24 × 5 = 210/120
  3. Likewise, for the 2nd fraction, since 10 × 12 = 120,
    7/10 = 7 × 12/10 × 12 = 84/120
  4. Subtract the two fractions:
    210/120 - 84/120 = 210 - 84/120 = 126/120
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

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