Add 27/21 and 21/16, Solve 1 6/21 + 1 5/16 as a fraction

Add 27/21 and 21/16

1^st number: 1 6/21, 2^nd number: 1 5/16

27/21 + 21/16 is 291/112.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
27/21 = 27 × 16/21 × 16 = 432/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
21/16 = 21 × 21/16 × 21 = 441/336
Add the two like fractions:
432/336 + 441/336 = 432 + 441/336 = 873/336
873/336 simplified gives 291/112
So, 27/21 + 21/16 = 291/112
In mixed form: 267/112

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