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Add 18/15 and 14/18

1st number: 1 3/15, 2nd number: 14/18

18/15 + 14/18 is 89/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    18/15 = 18 × 6/15 × 6 = 108/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    14/18 = 14 × 5/18 × 5 = 70/90
  4. Add the two like fractions:
    108/90 + 70/90 = 108 + 70/90 = 178/90
  5. 178/90 simplified gives 89/45
  6. So, 18/15 + 14/18 = 89/45
    In mixed form: 144/45

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