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Add 15/18 and 2/45

15/18 + 2/45 is 79/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 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 45 × 2 = 90,
    2/45 = 2 × 2/45 × 2 = 4/90
  4. Add the two like fractions:
    75/90 + 4/90 = 75 + 4/90 = 79/90
  5. So, 15/18 + 2/45 = 79/90

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