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Add 28/8 and 64/9

1st number: 3 4/8, 2nd number: 7 1/9

28/8 + 64/9 is 191/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    28/8 = 28 × 9/8 × 9 = 252/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    64/9 = 64 × 8/9 × 8 = 512/72
  4. Add the two like fractions:
    252/72 + 512/72 = 252 + 512/72 = 764/72
  5. 764/72 simplified gives 191/18
  6. So, 28/8 + 64/9 = 191/18
    In mixed form: 1011/18

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