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Add 54/72 and 60/80

54/72 + 60/80 is 3/2.

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,
    54/72 = 54 × 10/72 × 10 = 540/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    60/80 = 60 × 9/80 × 9 = 540/720
  4. Add the two like fractions:
    540/720 + 540/720 = 540 + 540/720 = 1080/720
  5. 1080/720 simplified gives 3/2
  6. So, 54/72 + 60/80 = 3/2
    In mixed form: 11/2

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