Add 84/5 and 2/21, Solve 16 4/5 + 2/21 as a fraction

Add 84/5 and 2/21

1^st number: 16 4/5, 2^nd number: 2/21

84/5 + 2/21 is 1774/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 5 × 21 = 105,
84/5 = 84 × 21/5 × 21 = 1764/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105
Add the two like fractions:
1764/105 + 10/105 = 1764 + 10/105 = 1774/105
So, 84/5 + 2/21 = 1774/105
In mixed form: 1694/105

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