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Add 54/80 and 1/72

54/80 + 1/72 is 31/45.

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,
    54/80 = 54 × 9/80 × 9 = 486/720
  3. Likewise, for the 2nd fraction, since 72 × 10 = 720,
    1/72 = 1 × 10/72 × 10 = 10/720
  4. Add the two like fractions:
    486/720 + 10/720 = 486 + 10/720 = 496/720
  5. 496/720 simplified gives 31/45
  6. So, 54/80 + 1/72 = 31/45

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