Add 72/4 and 14/21, Solve 18 0/4 + 14/21 as a fraction

Add 72/4 and 14/21

1^st number: 18 0/4, 2^nd number: 14/21

72/4 + 14/21 is 56/3.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
72/4 = 72 × 21/4 × 21 = 1512/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84
Add the two like fractions:
1512/84 + 56/84 = 1512 + 56/84 = 1568/84
1568/84 simplified gives 56/3
So, 72/4 + 14/21 = 56/3
In mixed form: 182/3

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