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Subtract 18/40 from 10/36

10/36 - 18/40 is -31/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 36 × 10 = 360,
    10/36 = 10 × 10/36 × 10 = 100/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  4. Subtract the two like fractions:
    100/360 - 162/360 = 100 - 162/360 = -62/360
  5. After reducing the fraction, the answer is -31/180

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