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Subtract 50/42 from 10/27

1st number: 10/27, 2nd number: 1 8/42

10/27 - 50/42 is -155/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 27 × 14 = 378,
    10/27 = 10 × 14/27 × 14 = 140/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    50/42 = 50 × 9/42 × 9 = 450/378
  4. Subtract the two like fractions:
    140/378 - 450/378 = 140 - 450/378 = -310/378
  5. After reducing the fraction, the answer is -155/189

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