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Add 18/8 and 18/9

1st number: 2 2/8, 2nd number: 2 0/9

18/8 + 18/9 is 17/4.

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,
    18/8 = 18 × 9/8 × 9 = 162/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    18/9 = 18 × 8/9 × 8 = 144/72
  4. Add the two like fractions:
    162/72 + 144/72 = 162 + 144/72 = 306/72
  5. 306/72 simplified gives 17/4
  6. So, 18/8 + 18/9 = 17/4
    In mixed form: 41/4

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