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Subtract 81/8 from 50/36

1st number: 1 14/36, 2nd number: 10 1/8

50/36 - 81/8 is -629/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 36 × 2 = 72,
    50/36 = 50 × 2/36 × 2 = 100/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  4. Subtract the two like fractions:
    100/72 - 729/72 = 100 - 729/72 = -629/72

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