Add 10/42 and 84/54, Solve 10/42 + 1 30/54 as a fraction

Add 10/42 and 84/54

1^st number: 10/42, 2^nd number: 1 30/54

10/42 + 84/54 is 113/63.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
10/42 = 10 × 9/42 × 9 = 90/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378
Add the two like fractions:
90/378 + 588/378 = 90 + 588/378 = 678/378
678/378 simplified gives 113/63
So, 10/42 + 84/54 = 113/63
In mixed form: 150/63

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