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Add 8/9 and 28/72

8/9 + 28/72 is 23/18.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    8/9 = 8 × 8/9 × 8 = 64/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    28/72 = 28 × 1/72 × 1 = 28/72
  4. Add the two like fractions:
    64/72 + 28/72 = 64 + 28/72 = 92/72
  5. 92/72 simplified gives 23/18
  6. So, 8/9 + 28/72 = 23/18
    In mixed form: 15/18

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