Add 63/84 and 70/54, Solve 63/84 + 1 16/54 as a fraction

Add 63/84 and 70/54

1^st number: 63/84, 2^nd number: 1 16/54

63/84 + 70/54 is 221/108.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 84 × 9 = 756,
63/84 = 63 × 9/84 × 9 = 567/756
Likewise, for the 2nd fraction, since 54 × 14 = 756,
70/54 = 70 × 14/54 × 14 = 980/756
Add the two like fractions:
567/756 + 980/756 = 567 + 980/756 = 1547/756
1547/756 simplified gives 221/108
So, 63/84 + 70/54 = 221/108
In mixed form: 25/108

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