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Subtract 6/20 from 7/15

7/15 - 6/20 is 1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    7/15 = 7 × 4/15 × 4 = 28/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    6/20 = 6 × 3/20 × 3 = 18/60
  4. Subtract the two fractions:
    28/60 - 18/60 = 28 - 18/60 = 10/60
  5. After reducing the fraction, the answer is 1/6

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