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Subtract 10/42 from 14/27

14/27 - 10/42 is 53/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 42 is 378
  2. For the 1st fraction, since 27 × 14 = 378,
    14/27 = 14 × 14/27 × 14 = 196/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    10/42 = 10 × 9/42 × 9 = 90/378
  4. Subtract the two fractions:
    196/378 - 90/378 = 196 - 90/378 = 106/378
  5. After reducing the fraction, the answer is 53/189

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