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Add 4/72 and 5/80

4/72 + 5/80 is 17/144.

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,
    4/72 = 4 × 10/72 × 10 = 40/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    5/80 = 5 × 9/80 × 9 = 45/720
  4. Add the two like fractions:
    40/720 + 45/720 = 40 + 45/720 = 85/720
  5. 85/720 simplified gives 17/144
  6. So, 4/72 + 5/80 = 17/144

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