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Subtract 30/45 from 8/15

8/15 - 30/45 is -2/15.

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,
    8/15 = 8 × 3/15 × 3 = 24/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    30/45 = 30 × 1/45 × 1 = 30/45
  4. Subtract the two like fractions:
    24/45 - 30/45 = 24 - 30/45 = -6/45
  5. After reducing the fraction, the answer is -2/15

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