Add 6/21 and 28/16, Solve 6/21 + 1 12/16 as a fraction

Add 6/21 and 28/16

1^st number: 6/21, 2^nd number: 1 12/16

6/21 + 28/16 is 57/28.

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,
6/21 = 6 × 16/21 × 16 = 96/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
28/16 = 28 × 21/16 × 21 = 588/336
Add the two like fractions:
96/336 + 588/336 = 96 + 588/336 = 684/336
684/336 simplified gives 57/28
So, 6/21 + 28/16 = 57/28
In mixed form: 21/28

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