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Subtract 15/20 from 40/15

1st number: 2 10/15, 2nd number: 15/20

40/15 - 15/20 is 23/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    40/15 = 40 × 4/15 × 4 = 160/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    15/20 = 15 × 3/20 × 3 = 45/60
  4. Subtract the two like fractions:
    160/60 - 45/60 = 160 - 45/60 = 115/60
  5. After reducing the fraction, the answer is 23/12
  6. In mixed form: 111/12

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