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Add 28/72 and 5/9

28/72 + 5/9 is 17/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    28/72 = 28 × 1/72 × 1 = 28/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    5/9 = 5 × 8/9 × 8 = 40/72
  4. Add the two like fractions:
    28/72 + 40/72 = 28 + 40/72 = 68/72
  5. 68/72 simplified gives 17/18
  6. So, 28/72 + 5/9 = 17/18

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