Add 72/12 and 14/21, Solve 6 0/12 + 14/21 as a fraction

Add 72/12 and 14/21

1^st number: 6 0/12, 2^nd number: 14/21

72/12 + 14/21 is 20/3.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84
Add the two like fractions:
504/84 + 56/84 = 504 + 56/84 = 560/84
560/84 simplified gives 20/3
So, 72/12 + 14/21 = 20/3
In mixed form: 62/3

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