Add 80/5 and 2/21, Solve 16 0/5 + 2/21 as a fraction

Add 80/5 and 2/21

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

80/5 + 2/21 is 338/21.

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,
80/5 = 80 × 21/5 × 21 = 1680/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105
Add the two like fractions:
1680/105 + 10/105 = 1680 + 10/105 = 1690/105
1690/105 simplified gives 338/21
So, 80/5 + 2/21 = 338/21
In mixed form: 162/21

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