Add 18/9 and 7/84, Solve 2 0/9 + 7/84 as a fraction

Add 18/9 and 7/84

1^st number: 2 0/9, 2^nd number: 7/84

18/9 + 7/84 is 25/12.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252
Add the two like fractions:
504/252 + 21/252 = 504 + 21/252 = 525/252
525/252 simplified gives 25/12
So, 18/9 + 7/84 = 25/12
In mixed form: 21/12

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