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Subtract 12/9 from 45/15

1st number: 3 0/15, 2nd number: 1 3/9

45/15 - 12/9 is 5/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    45/15 = 45 × 3/15 × 3 = 135/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    12/9 = 12 × 5/9 × 5 = 60/45
  4. Subtract the two fractions:
    135/45 - 60/45 = 135 - 60/45 = 75/45
  5. After reducing the fraction, the answer is 5/3
  6. In mixed form: 12/3

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