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Subtract 80/30 from 15/25

1st number: 15/25, 2nd number: 2 20/30

15/25 - 80/30 is -31/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 30 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 25 × 6 = 150,
    15/25 = 15 × 6/25 × 6 = 90/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    80/30 = 80 × 5/30 × 5 = 400/150
  4. Subtract the two like fractions:
    90/150 - 400/150 = 90 - 400/150 = -310/150
  5. After reducing the fraction, the answer is -31/15

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