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Subtract 15/6 from 2/5

1st number: 2/5, 2nd number: 2 3/6

2/5 - 15/6 is -21/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 6 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 5 × 6 = 30,
    2/5 = 2 × 6/5 × 6 = 12/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    15/6 = 15 × 5/6 × 5 = 75/30
  4. Subtract the two like fractions:
    12/30 - 75/30 = 12 - 75/30 = -63/30
  5. After reducing the fraction, the answer is -21/10

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