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

Add 72/18 and 14/21

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

72/18 + 14/21 is 14/3.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126
Likewise, for the 2nd fraction, since 21 × 6 = 126,
14/21 = 14 × 6/21 × 6 = 84/126
Add the two like fractions:
504/126 + 84/126 = 504 + 84/126 = 588/126
588/126 simplified gives 14/3
So, 72/18 + 14/21 = 14/3
In mixed form: 42/3

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