Add 81/27 and 21/14, Solve 3 0/27 + 1 7/14 as a fraction

Add 81/27 and 21/14

1^st number: 3 0/27, 2^nd number: 1 7/14

81/27 + 21/14 is 9/2.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
81/27 = 81 × 14/27 × 14 = 1134/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
21/14 = 21 × 27/14 × 27 = 567/378
Add the two like fractions:
1134/378 + 567/378 = 1134 + 567/378 = 1701/378
1701/378 simplified gives 9/2
So, 81/27 + 21/14 = 9/2
In mixed form: 41/2

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