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Add 1/18 and 15/45

1/18 + 15/45 is 7/18.

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,
    1/18 = 1 × 5/18 × 5 = 5/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    15/45 = 15 × 2/45 × 2 = 30/90
  4. Add the two like fractions:
    5/90 + 30/90 = 5 + 30/90 = 35/90
  5. 35/90 simplified gives 7/18
  6. So, 1/18 + 15/45 = 7/18

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