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Subtract 30/27 from 50/42

1st number: 1 8/42, 2nd number: 1 3/27

50/42 - 30/27 is 5/63.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    50/42 = 50 × 9/42 × 9 = 450/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    30/27 = 30 × 14/27 × 14 = 420/378
  4. Subtract the two like fractions:
    450/378 - 420/378 = 450 - 420/378 = 30/378
  5. After reducing the fraction, the answer is 5/63

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