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Subtract 7/36 from 18/40

18/40 - 7/36 is 23/90.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  3. Likewise, for the 2nd fraction, since 36 × 10 = 360,
    7/36 = 7 × 10/36 × 10 = 70/360
  4. Subtract the two like fractions:
    162/360 - 70/360 = 162 - 70/360 = 92/360
  5. After reducing the fraction, the answer is 23/90

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