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Subtract 4/80 from 15/36

15/36 - 4/80 is 11/30.

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,
    15/36 = 15 × 20/36 × 20 = 300/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    4/80 = 4 × 9/80 × 9 = 36/720
  4. Subtract the two like fractions:
    300/720 - 36/720 = 300 - 36/720 = 264/720
  5. After reducing the fraction, the answer is 11/30

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