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Subtract 81/28 from 36/10

1st number: 3 6/10, 2nd number: 2 25/28

36/10 - 81/28 is 99/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    36/10 = 36 × 14/10 × 14 = 504/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    81/28 = 81 × 5/28 × 5 = 405/140
  4. Subtract the two like fractions:
    504/140 - 405/140 = 504 - 405/140 = 99/140

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