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Subtract 90/24 from 90/30

1st number: 3 0/30, 2nd number: 3 18/24

90/30 - 90/24 is -3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 24 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    90/30 = 90 × 4/30 × 4 = 360/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    90/24 = 90 × 5/24 × 5 = 450/120
  4. Subtract the two fractions:
    360/120 - 450/120 = 360 - 450/120 = -90/120
  5. After reducing the fraction, the answer is -3/4

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