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Add 45/72 and 9/80

45/72 + 9/80 is 59/80.

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,
    45/72 = 45 × 10/72 × 10 = 450/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    9/80 = 9 × 9/80 × 9 = 81/720
  4. Add the two like fractions:
    450/720 + 81/720 = 450 + 81/720 = 531/720
  5. 531/720 simplified gives 59/80
  6. So, 45/72 + 9/80 = 59/80

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