Add 10/21 and 80/10, Solve 10/21 + 8 0/10 as a fraction

Add 10/21 and 80/10

1^st number: 10/21, 2^nd number: 8 0/10

10/21 + 80/10 is 178/21.

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,
10/21 = 10 × 10/21 × 10 = 100/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
80/10 = 80 × 21/10 × 21 = 1680/210
Add the two like fractions:
100/210 + 1680/210 = 100 + 1680/210 = 1780/210
1780/210 simplified gives 178/21
So, 10/21 + 80/10 = 178/21
In mixed form: 810/21

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