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Subtract 24/15 from 5/4

1st number: 1 1/4, 2nd number: 1 9/15

5/4 - 24/15 is -7/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    5/4 = 5 × 15/4 × 15 = 75/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    24/15 = 24 × 4/15 × 4 = 96/60
  4. Subtract the two like fractions:
    75/60 - 96/60 = 75 - 96/60 = -21/60
  5. After reducing the fraction, the answer is -7/20

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