Add 27/54 and 70/42, Solve 27/54 + 1 28/42 as a fraction

Add 27/54 and 70/42

1^st number: 27/54, 2^nd number: 1 28/42

27/54 + 70/42 is 13/6.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
70/42 = 70 × 9/42 × 9 = 630/378
Add the two like fractions:
189/378 + 630/378 = 189 + 630/378 = 819/378
819/378 simplified gives 13/6
So, 27/54 + 70/42 = 13/6
In mixed form: 21/6

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