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Subtract 9/49 from 18/80

18/80 - 9/49 is 81/1960.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 49 is 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    18/80 = 18 × 49/80 × 49 = 882/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    9/49 = 9 × 80/49 × 80 = 720/3920
  4. Subtract the two fractions:
    882/3920 - 720/3920 = 882 - 720/3920 = 162/3920
  5. After reducing the fraction, the answer is 81/1960

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