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Subtract 12/9 from 90/25

1st number: 3 15/25, 2nd number: 1 3/9

90/25 - 12/9 is 34/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 9 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 25 × 9 = 225,
    90/25 = 90 × 9/25 × 9 = 810/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    12/9 = 12 × 25/9 × 25 = 300/225
  4. Subtract the two like fractions:
    810/225 - 300/225 = 810 - 300/225 = 510/225
  5. After reducing the fraction, the answer is 34/15
  6. In mixed form: 24/15

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