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Subtract 10/42 from 14/18

14/18 - 10/42 is 34/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    14/18 = 14 × 7/18 × 7 = 98/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    10/42 = 10 × 3/42 × 3 = 30/126
  4. Subtract the two fractions:
    98/126 - 30/126 = 98 - 30/126 = 68/126
  5. After reducing the fraction, the answer is 34/63

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