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Subtract 20/15 from 25/8

1st number: 3 1/8, 2nd number: 1 5/15

25/8 - 20/15 is 43/24.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    25/8 = 25 × 15/8 × 15 = 375/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    20/15 = 20 × 8/15 × 8 = 160/120
  4. Subtract the two like fractions:
    375/120 - 160/120 = 375 - 160/120 = 215/120
  5. After reducing the fraction, the answer is 43/24
  6. In mixed form: 119/24

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