Add 14/18 and 40/81, Solve 14/18 + 40/81 as a fraction

Add 14/18 and 40/81

14/18 + 40/81 is 103/81.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162

Next, find the equivalent fraction of both fractional numbers with denominator 162
For the 1st fraction, since 18 × 9 = 162,
14/18 = 14 × 9/18 × 9 = 126/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
40/81 = 40 × 2/81 × 2 = 80/162
Add the two like fractions:
126/162 + 80/162 = 126 + 80/162 = 206/162
206/162 simplified gives 103/81
So, 14/18 + 40/81 = 103/81
In mixed form: 122/81

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