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Subtract 1/80 from 7/9

7/9 - 1/80 is 551/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720
  2. For the 1st fraction, since 9 × 80 = 720,
    7/9 = 7 × 80/9 × 80 = 560/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    1/80 = 1 × 9/80 × 9 = 9/720
  4. Subtract the two fractions:
    560/720 - 9/720 = 560 - 9/720 = 551/720

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