Add 20/27 and 49/42, Solve 20/27 + 1 7/42 as a fraction

Add 20/27 and 49/42

1^st number: 20/27, 2^nd number: 1 7/42

20/27 + 49/42 is 103/54.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
49/42 = 49 × 9/42 × 9 = 441/378
Add the two like fractions:
280/378 + 441/378 = 280 + 441/378 = 721/378
721/378 simplified gives 103/54
So, 20/27 + 49/42 = 103/54
In mixed form: 149/54

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