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Subtract 12/45 from 12/30

12/30 - 12/45 is 2/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    12/30 = 12 × 3/30 × 3 = 36/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    12/45 = 12 × 2/45 × 2 = 24/90
  4. Subtract the two like fractions:
    36/90 - 24/90 = 36 - 24/90 = 12/90
  5. After reducing the fraction, the answer is 2/15

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