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Subtract 81/8 from 10/36

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

10/36 - 81/8 is -709/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 8 is 72
  2. For the 1st fraction, since 36 × 2 = 72,
    10/36 = 10 × 2/36 × 2 = 20/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  4. Subtract the two fractions:
    20/72 - 729/72 = 20 - 729/72 = -709/72

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