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

Add 70/42 and 28/27

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

70/42 + 28/27 is 73/27.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
70/42 = 70 × 9/42 × 9 = 630/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
28/27 = 28 × 14/27 × 14 = 392/378
Add the two like fractions:
630/378 + 392/378 = 630 + 392/378 = 1022/378
1022/378 simplified gives 73/27
So, 70/42 + 28/27 = 73/27
In mixed form: 219/27

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