Add 15/84 and 63/27, Solve 15/84 + 2 9/27 as a fraction

Add 15/84 and 63/27

1^st number: 15/84, 2^nd number: 2 9/27

15/84 + 63/27 is 211/84.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 84 × 9 = 756,
15/84 = 15 × 9/84 × 9 = 135/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
63/27 = 63 × 28/27 × 28 = 1764/756
Add the two like fractions:
135/756 + 1764/756 = 135 + 1764/756 = 1899/756
1899/756 simplified gives 211/84
So, 15/84 + 63/27 = 211/84
In mixed form: 243/84

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