Add 81/9 and 27/18, Solve 9 0/9 + 1 9/18 as a fraction

Add 81/9 and 27/18

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

81/9 + 27/18 is 21/2.

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,
81/9 = 81 × 2/9 × 2 = 162/18
Likewise, for the 2nd fraction, since 18 × 1 = 18,
27/18 = 27 × 1/18 × 1 = 27/18
Add the two like fractions:
162/18 + 27/18 = 162 + 27/18 = 189/18
189/18 simplified gives 21/2
So, 81/9 + 27/18 = 21/2
In mixed form: 101/2

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