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Subtract 10/42 from 10/9

1st number: 1 1/9, 2nd number: 10/42

10/9 - 10/42 is 55/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 42 is 126
  2. For the 1st fraction, since 9 × 14 = 126,
    10/9 = 10 × 14/9 × 14 = 140/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    10/42 = 10 × 3/42 × 3 = 30/126
  4. Subtract the two fractions:
    140/126 - 30/126 = 140 - 30/126 = 110/126
  5. After reducing the fraction, the answer is 55/63

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