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Subtract 90/36 from 84/30

1st number: 2 24/30, 2nd number: 2 18/36

84/30 - 90/36 is 3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 36 is 180
  2. For the 1st fraction, since 30 × 6 = 180,
    84/30 = 84 × 6/30 × 6 = 504/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    90/36 = 90 × 5/36 × 5 = 450/180
  4. Subtract the two fractions:
    504/180 - 450/180 = 504 - 450/180 = 54/180
  5. After reducing the fraction, the answer is 3/10

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