Add 18/2 and 18/21, Solve 9 0/2 + 18/21 as a fraction

Add 18/2 and 18/21

1^st number: 9 0/2, 2^nd number: 18/21

18/2 + 18/21 is 69/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
18/2 = 18 × 21/2 × 21 = 378/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
18/21 = 18 × 2/21 × 2 = 36/42
Add the two like fractions:
378/42 + 36/42 = 378 + 36/42 = 414/42
414/42 simplified gives 69/7
So, 18/2 + 18/21 = 69/7
In mixed form: 96/7

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