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Subtract 4/5 from 1/3

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

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 5 is 15

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

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