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Subtract 16/80 from 20/36

20/36 - 16/80 is 16/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    20/36 = 20 × 20/36 × 20 = 400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    16/80 = 16 × 9/80 × 9 = 144/720
  4. Subtract the two like fractions:
    400/720 - 144/720 = 400 - 144/720 = 256/720
  5. After reducing the fraction, the answer is 16/45

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