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Subtract 4/5 from 7/15

7/15 - 4/5 is -1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15

    Next, find the equivalent fraction of both fractional numbers with denominator 15
  2. For the 1st fraction, since 15 × 1 = 15,
    7/15 = 7 × 1/15 × 1 = 7/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    4/5 = 4 × 3/5 × 3 = 12/15
  4. Subtract the two like fractions:
    7/15 - 12/15 = 7 - 12/15 = -5/15
  5. After reducing the fraction, the answer is -1/3

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