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Subtract 90/36 from 84/15

1st number: 5 9/15, 2nd number: 2 18/36

84/15 - 90/36 is 31/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 36 is 180
  2. For the 1st fraction, since 15 × 12 = 180,
    84/15 = 84 × 12/15 × 12 = 1008/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    90/36 = 90 × 5/36 × 5 = 450/180
  4. Subtract the two fractions:
    1008/180 - 450/180 = 1008 - 450/180 = 558/180
  5. After reducing the fraction, the answer is 31/10
  6. In mixed form: 31/10

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