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Subtract 27/15 from 4/10

1st number: 4/10, 2nd number: 1 12/15

4/10 - 27/15 is -7/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 15 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    4/10 = 4 × 3/10 × 3 = 12/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    27/15 = 27 × 2/15 × 2 = 54/30
  4. Subtract the two like fractions:
    12/30 - 54/30 = 12 - 54/30 = -42/30
  5. After reducing the fraction, the answer is -7/5

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