Add 10/84 and 12/9, Solve 10/84 + 1 3/9 as a fraction

Add 10/84 and 12/9

1^st number: 10/84, 2^nd number: 1 3/9

10/84 + 12/9 is 61/42.

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,
10/84 = 10 × 3/84 × 3 = 30/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
12/9 = 12 × 28/9 × 28 = 336/252
Add the two like fractions:
30/252 + 336/252 = 30 + 336/252 = 366/252
366/252 simplified gives 61/42
So, 10/84 + 12/9 = 61/42
In mixed form: 119/42

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