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Add 9/72 and 16/80

9/72 + 16/80 is 13/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    9/72 = 9 × 10/72 × 10 = 90/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    16/80 = 16 × 9/80 × 9 = 144/720
  4. Add the two like fractions:
    90/720 + 144/720 = 90 + 144/720 = 234/720
  5. 234/720 simplified gives 13/40
  6. So, 9/72 + 16/80 = 13/40

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