Add 30/10 and 10/21, Solve 3 0/10 + 10/21 as a fraction

Add 30/10 and 10/21

1^st number: 3 0/10, 2^nd number: 10/21

30/10 + 10/21 is 73/21.

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,
30/10 = 30 × 21/10 × 21 = 630/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
10/21 = 10 × 10/21 × 10 = 100/210
Add the two like fractions:
630/210 + 100/210 = 630 + 100/210 = 730/210
730/210 simplified gives 73/21
So, 30/10 + 10/21 = 73/21
In mixed form: 310/21

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