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Subtract 8/36 from 20/40

20/40 - 8/36 is 5/18.

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,
    20/40 = 20 × 9/40 × 9 = 180/360
  3. Likewise, for the 2nd fraction, since 36 × 10 = 360,
    8/36 = 8 × 10/36 × 10 = 80/360
  4. Subtract the two like fractions:
    180/360 - 80/360 = 180 - 80/360 = 100/360
  5. After reducing the fraction, the answer is 5/18

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