Add 80/21 and 14/8, Solve 3 17/21 + 1 6/8 as a fraction

Add 80/21 and 14/8

1^st number: 3 17/21, 2^nd number: 1 6/8

80/21 + 14/8 is 467/84.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
80/21 = 80 × 8/21 × 8 = 640/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
14/8 = 14 × 21/8 × 21 = 294/168
Add the two like fractions:
640/168 + 294/168 = 640 + 294/168 = 934/168
934/168 simplified gives 467/84
So, 80/21 + 14/8 = 467/84
In mixed form: 547/84

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