Add 72/8 and 14/21, Solve 9 0/8 + 14/21 as a fraction

Add 72/8 and 14/21

1^st number: 9 0/8, 2^nd number: 14/21

72/8 + 14/21 is 29/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
72/8 = 72 × 21/8 × 21 = 1512/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168
Add the two like fractions:
1512/168 + 112/168 = 1512 + 112/168 = 1624/168
1624/168 simplified gives 29/3
So, 72/8 + 14/21 = 29/3
In mixed form: 92/3

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