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Add 16/80 and 20/72

16/80 + 20/72 is 43/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    16/80 = 16 × 9/80 × 9 = 144/720
  3. Likewise, for the 2nd fraction, since 72 × 10 = 720,
    20/72 = 20 × 10/72 × 10 = 200/720
  4. Add the two like fractions:
    144/720 + 200/720 = 144 + 200/720 = 344/720
  5. 344/720 simplified gives 43/90
  6. So, 16/80 + 20/72 = 43/90

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