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Subtract 12/45 from 18/15

1st number: 1 3/15, 2nd number: 12/45

18/15 - 12/45 is 14/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    18/15 = 18 × 3/15 × 3 = 54/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    12/45 = 12 × 1/45 × 1 = 12/45
  4. Subtract the two like fractions:
    54/45 - 12/45 = 54 - 12/45 = 42/45
  5. After reducing the fraction, the answer is 14/15

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