Add 84/10 and 14/21, Solve 8 4/10 + 14/21 as a fraction

Add 84/10 and 14/21

1^st number: 8 4/10, 2^nd number: 14/21

84/10 + 14/21 is 136/15.

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,
84/10 = 84 × 21/10 × 21 = 1764/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
14/21 = 14 × 10/21 × 10 = 140/210
Add the two like fractions:
1764/210 + 140/210 = 1764 + 140/210 = 1904/210
1904/210 simplified gives 136/15
So, 84/10 + 14/21 = 136/15
In mixed form: 91/15

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