Add 18/21 and 14/8, Solve 18/21 + 1 6/8 as a fraction

Add 18/21 and 14/8

1^st number: 18/21, 2^nd number: 1 6/8

18/21 + 14/8 is 73/28.

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,
18/21 = 18 × 8/21 × 8 = 144/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
14/8 = 14 × 21/8 × 21 = 294/168
Add the two like fractions:
144/168 + 294/168 = 144 + 294/168 = 438/168
438/168 simplified gives 73/28
So, 18/21 + 14/8 = 73/28
In mixed form: 217/28

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