Add 30/81 and 54/56, Solve 30/81 + 54/56 as a fraction

Add 30/81 and 54/56

30/81 + 54/56 is 1009/756.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536

Next, find the equivalent fraction of both fractional numbers with denominator 4536
For the 1st fraction, since 81 × 56 = 4536,
30/81 = 30 × 56/81 × 56 = 1680/4536
Likewise, for the 2nd fraction, since 56 × 81 = 4536,
54/56 = 54 × 81/56 × 81 = 4374/4536
Add the two like fractions:
1680/4536 + 4374/4536 = 1680 + 4374/4536 = 6054/4536
6054/4536 simplified gives 1009/756
So, 30/81 + 54/56 = 1009/756
In mixed form: 1253/756

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