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Subtract 90/24 from 90/45

1st number: 2 0/45, 2nd number: 3 18/24

90/45 - 90/24 is -7/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 24 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    90/45 = 90 × 8/45 × 8 = 720/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    90/24 = 90 × 15/24 × 15 = 1350/360
  4. Subtract the two fractions:
    720/360 - 1350/360 = 720 - 1350/360 = -630/360
  5. After reducing the fraction, the answer is -7/4

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