Add 18/81 and 28/9, Solve 18/81 + 3 1/9 as a fraction

Add 18/81 and 28/9

1^st number: 18/81, 2^nd number: 3 1/9

18/81 + 28/9 is 10/3.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81

Next, find the equivalent fraction of both fractional numbers with denominator 81
For the 1st fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81
Likewise, for the 2nd fraction, since 9 × 9 = 81,
28/9 = 28 × 9/9 × 9 = 252/81
Add the two like fractions:
18/81 + 252/81 = 18 + 252/81 = 270/81
270/81 simplified gives 10/3
So, 18/81 + 28/9 = 10/3
In mixed form: 31/3

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