Add 8/14 and 21/27, Solve 8/14 + 21/27 as a fraction

Add 8/14 and 21/27

8/14 + 21/27 is 85/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
8/14 = 8 × 27/14 × 27 = 216/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
21/27 = 21 × 14/27 × 14 = 294/378
Add the two like fractions:
216/378 + 294/378 = 216 + 294/378 = 510/378
510/378 simplified gives 85/63
So, 8/14 + 21/27 = 85/63
In mixed form: 122/63

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