Add 8/21 and 21/10, Solve 8/21 + 2 1/10 as a fraction

Add 8/21 and 21/10

1^st number: 8/21, 2^nd number: 2 1/10

8/21 + 21/10 is 521/210.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
8/21 = 8 × 10/21 × 10 = 80/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
21/10 = 21 × 21/10 × 21 = 441/210
Add the two like fractions:
80/210 + 441/210 = 80 + 441/210 = 521/210
So, 8/21 + 21/10 = 521/210
In mixed form: 2101/210

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