Add 14/10 and 80/21, Solve 1 4/10 + 3 17/21 as a fraction

Add 14/10 and 80/21

1^st number: 1 4/10, 2^nd number: 3 17/21

14/10 + 80/21 is 547/105.

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,
14/10 = 14 × 21/10 × 21 = 294/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
80/21 = 80 × 10/21 × 10 = 800/210
Add the two like fractions:
294/210 + 800/210 = 294 + 800/210 = 1094/210
1094/210 simplified gives 547/105
So, 14/10 + 80/21 = 547/105
In mixed form: 522/105

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