Add 70/49 and 70/54, Solve 1 21/49 + 1 16/54 as a fraction

Add 70/49 and 70/54

1^st number: 1 21/49, 2^nd number: 1 16/54

70/49 + 70/54 is 515/189.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 49 × 54 = 2646,
70/49 = 70 × 54/49 × 54 = 3780/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
70/54 = 70 × 49/54 × 49 = 3430/2646
Add the two like fractions:
3780/2646 + 3430/2646 = 3780 + 3430/2646 = 7210/2646
7210/2646 simplified gives 515/189
So, 70/49 + 70/54 = 515/189
In mixed form: 2137/189

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