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Add 54/72 and 18/30

54/72 + 18/30 is 27/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    54/72 = 54 × 5/72 × 5 = 270/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    18/30 = 18 × 12/30 × 12 = 216/360
  4. Add the two like fractions:
    270/360 + 216/360 = 270 + 216/360 = 486/360
  5. 486/360 simplified gives 27/20
  6. So, 54/72 + 18/30 = 27/20
    In mixed form: 17/20

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