Add 56/54 and 42/84, Solve 1 2/54 + 42/84 as a fraction

Add 56/54 and 42/84

1^st number: 1 2/54, 2^nd number: 42/84

56/54 + 42/84 is 83/54.

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

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 54 × 14 = 756,
56/54 = 56 × 14/54 × 14 = 784/756
Likewise, for the 2nd fraction, since 84 × 9 = 756,
42/84 = 42 × 9/84 × 9 = 378/756
Add the two like fractions:
784/756 + 378/756 = 784 + 378/756 = 1162/756
1162/756 simplified gives 83/54
So, 56/54 + 42/84 = 83/54
In mixed form: 129/54

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