Add 70/54 and 8/21, Solve 1 16/54 + 8/21 as a fraction

Add 70/54 and 8/21

1^st number: 1 16/54, 2^nd number: 8/21

70/54 + 8/21 is 317/189.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378
Likewise, for the 2nd fraction, since 21 × 18 = 378,
8/21 = 8 × 18/21 × 18 = 144/378
Add the two like fractions:
490/378 + 144/378 = 490 + 144/378 = 634/378
634/378 simplified gives 317/189
So, 70/54 + 8/21 = 317/189
In mixed form: 1128/189

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