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Subtract 15/6 from 7/20

1st number: 7/20, 2nd number: 2 3/6

7/20 - 15/6 is -43/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 6 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    7/20 = 7 × 3/20 × 3 = 21/60
  3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
    15/6 = 15 × 10/6 × 10 = 150/60
  4. Subtract the two fractions:
    21/60 - 150/60 = 21 - 150/60 = -129/60
  5. After reducing the fraction, the answer is -43/20

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