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Subtract 7/80 from 7/9

7/9 - 7/80 is 497/720.

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,
    7/80 = 7 × 9/80 × 9 = 63/720
  4. Subtract the two fractions:
    560/720 - 63/720 = 560 - 63/720 = 497/720

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