Add 12/9 and 28/84, Solve 1 3/9 + 28/84 as a fraction

Add 12/9 and 28/84

1^st number: 1 3/9, 2^nd number: 28/84

12/9 + 28/84 is 5/3.

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,
12/9 = 12 × 28/9 × 28 = 336/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
28/84 = 28 × 3/84 × 3 = 84/252
Add the two like fractions:
336/252 + 84/252 = 336 + 84/252 = 420/252
420/252 simplified gives 5/3
So, 12/9 + 28/84 = 5/3
In mixed form: 12/3

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