Add 84/36 and 9/54, Solve 2 12/36 + 9/54 as a fraction

Add 84/36 and 9/54

1^st number: 2 12/36, 2^nd number: 9/54

84/36 + 9/54 is 5/2.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 36 × 3 = 108,
84/36 = 84 × 3/36 × 3 = 252/108
Likewise, for the 2nd fraction, since 54 × 2 = 108,
9/54 = 9 × 2/54 × 2 = 18/108
Add the two like fractions:
252/108 + 18/108 = 252 + 18/108 = 270/108
270/108 simplified gives 5/2
So, 84/36 + 9/54 = 5/2
In mixed form: 21/2

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