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Subtract 90/18 from 27/14

1st number: 1 13/14, 2nd number: 5 0/18

27/14 - 90/18 is -43/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    27/14 = 27 × 9/14 × 9 = 243/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    90/18 = 90 × 7/18 × 7 = 630/126
  4. Subtract the two like fractions:
    243/126 - 630/126 = 243 - 630/126 = -387/126
  5. After reducing the fraction, the answer is -43/14

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