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Subtract 90/5 from 45/24

1st number: 1 21/24, 2nd number: 18 0/5

45/24 - 90/5 is -129/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 5 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 24 × 5 = 120,
    45/24 = 45 × 5/24 × 5 = 225/120
  3. Likewise, for the 2nd fraction, since 5 × 24 = 120,
    90/5 = 90 × 24/5 × 24 = 2160/120
  4. Subtract the two like fractions:
    225/120 - 2160/120 = 225 - 2160/120 = -1935/120
  5. After reducing the fraction, the answer is -129/8

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