Add 12/84 and 16/9, Solve 12/84 + 1 7/9 as a fraction

Add 12/84 and 16/9

1^st number: 12/84, 2^nd number: 1 7/9

12/84 + 16/9 is 121/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 84 × 3 = 252,
12/84 = 12 × 3/84 × 3 = 36/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
16/9 = 16 × 28/9 × 28 = 448/252
Add the two like fractions:
36/252 + 448/252 = 36 + 448/252 = 484/252
484/252 simplified gives 121/63
So, 12/84 + 16/9 = 121/63
In mixed form: 158/63

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