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Subtract 4/7 from 4/15

4/15 - 4/7 is -32/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    4/15 = 4 × 7/15 × 7 = 28/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    4/7 = 4 × 15/7 × 15 = 60/105
  4. Subtract the two fractions:
    28/105 - 60/105 = 28 - 60/105 = -32/105

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