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Add 7/18 and 15/45

7/18 + 15/45 is 13/18.

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,
    7/18 = 7 × 5/18 × 5 = 35/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    15/45 = 15 × 2/45 × 2 = 30/90
  4. Add the two like fractions:
    35/90 + 30/90 = 35 + 30/90 = 65/90
  5. 65/90 simplified gives 13/18
  6. So, 7/18 + 15/45 = 13/18

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