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Subtract 15/18 from 60/42

1st number: 1 18/42, 2nd number: 15/18

60/42 - 15/18 is 25/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    60/42 = 60 × 3/42 × 3 = 180/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    15/18 = 15 × 7/18 × 7 = 105/126
  4. Subtract the two fractions:
    180/126 - 105/126 = 180 - 105/126 = 75/126
  5. After reducing the fraction, the answer is 25/42

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