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Subtract 5/80 from 7/9

7/9 - 5/80 is 103/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    5/80 = 5 × 9/80 × 9 = 45/720
  4. Subtract the two like fractions:
    560/720 - 45/720 = 560 - 45/720 = 515/720
  5. After reducing the fraction, the answer is 103/144

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