Add 16/21 and 10/5, Solve 16/21 + 2 0/5 as a fraction

Add 16/21 and 10/5

1^st number: 16/21, 2^nd number: 2 0/5

16/21 + 10/5 is 58/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
16/21 = 16 × 5/21 × 5 = 80/105
Likewise, for the 2nd fraction, since 5 × 21 = 105,
10/5 = 10 × 21/5 × 21 = 210/105
Add the two like fractions:
80/105 + 210/105 = 80 + 210/105 = 290/105
290/105 simplified gives 58/21
So, 16/21 + 10/5 = 58/21
In mixed form: 216/21

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