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Subtract 15/8 from 24/15

1st number: 1 9/15, 2nd number: 1 7/8

24/15 - 15/8 is -11/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    24/15 = 24 × 8/15 × 8 = 192/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    15/8 = 15 × 15/8 × 15 = 225/120
  4. Subtract the two like fractions:
    192/120 - 225/120 = 192 - 225/120 = -33/120
  5. After reducing the fraction, the answer is -11/40

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