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Add 15/18 and 4/5

15/18 + 4/5 is 49/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    4/5 = 4 × 18/5 × 18 = 72/90
  4. Add the two like fractions:
    75/90 + 72/90 = 75 + 72/90 = 147/90
  5. 147/90 simplified gives 49/30
  6. So, 15/18 + 4/5 = 49/30
    In mixed form: 119/30

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