Solutions by everydaycalculation.com

12 + 19 is 1118.

- Find the least common denominator or LCM of the two denominators:

LCM of 2 and 9 is**18**

Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,

12 = 1 × 92 × 9 = 918 - Likewise, for the 2nd fraction, since 9 × 2 = 18,

19 = 1 × 29 × 2 = 218 - Add the two like fractions:

918 + 218 = 9 + 218 = 1118 - So, 1/2 + 1/9 = 11/18

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