Add 18/9 and 81/18, Solve 2 0/9 + 4 9/18 as a fraction

Add 18/9 and 81/18

1^st number: 2 0/9, 2^nd number: 4 9/18

18/9 + 81/18 is 13/2.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18

Next, find the equivalent fraction of both fractional numbers with denominator 18
For the 1st fraction, since 9 × 2 = 18,
18/9 = 18 × 2/9 × 2 = 36/18
Likewise, for the 2nd fraction, since 18 × 1 = 18,
81/18 = 81 × 1/18 × 1 = 81/18
Add the two like fractions:
36/18 + 81/18 = 36 + 81/18 = 117/18
117/18 simplified gives 13/2
So, 18/9 + 81/18 = 13/2
In mixed form: 61/2

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