Solutions by everydaycalculation.com

23 + 59 is 119.

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

LCM of 3 and 9 is**9**

Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,

23 = 2 × 33 × 3 = 69 - Likewise, for the 2nd fraction, since 9 × 1 = 9,

59 = 5 × 19 × 1 = 59 - Add the two like fractions:

69 + 59 = 6 + 59 = 119 - So, 2/3 + 5/9 = 11/9

In mixed form: 129

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