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Add 15/20 and 2/18

15/20 + 2/18 is 31/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    15/20 = 15 × 9/20 × 9 = 135/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    2/18 = 2 × 10/18 × 10 = 20/180
  4. Add the two like fractions:
    135/180 + 20/180 = 135 + 20/180 = 155/180
  5. 155/180 simplified gives 31/36
  6. So, 15/20 + 2/18 = 31/36

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