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Subtract 10/9 from 25/8

1st number: 3 1/8, 2nd number: 1 1/9

25/8 - 10/9 is 145/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    25/8 = 25 × 9/8 × 9 = 225/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    10/9 = 10 × 8/9 × 8 = 80/72
  4. Subtract the two like fractions:
    225/72 - 80/72 = 225 - 80/72 = 145/72
  5. In mixed form: 21/72

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