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Subtract 5/4 from 8/15

1st number: 8/15, 2nd number: 1 1/4

8/15 - 5/4 is -43/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 4 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    8/15 = 8 × 4/15 × 4 = 32/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    5/4 = 5 × 15/4 × 15 = 75/60
  4. Subtract the two fractions:
    32/60 - 75/60 = 32 - 75/60 = -43/60

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