Add 16/10 and 42/21, Solve 1 6/10 + 2 0/21 as a fraction

Add 16/10 and 42/21

1^st number: 1 6/10, 2^nd number: 2 0/21

16/10 + 42/21 is 18/5.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
16/10 = 16 × 21/10 × 21 = 336/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
42/21 = 42 × 10/21 × 10 = 420/210
Add the two like fractions:
336/210 + 420/210 = 336 + 420/210 = 756/210
756/210 simplified gives 18/5
So, 16/10 + 42/21 = 18/5
In mixed form: 33/5

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