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Subtract 36/9 from 27/10

1st number: 2 7/10, 2nd number: 4 0/9

27/10 - 36/9 is -13/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    27/10 = 27 × 9/10 × 9 = 243/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    36/9 = 36 × 10/9 × 10 = 360/90
  4. Subtract the two like fractions:
    243/90 - 360/90 = 243 - 360/90 = -117/90
  5. After reducing the fraction, the answer is -13/10

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