Add 72/30 and 14/21, Solve 2 12/30 + 14/21 as a fraction

Add 72/30 and 14/21

1^st number: 2 12/30, 2^nd number: 14/21

72/30 + 14/21 is 46/15.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
14/21 = 14 × 10/21 × 10 = 140/210
Add the two like fractions:
504/210 + 140/210 = 504 + 140/210 = 644/210
644/210 simplified gives 46/15
So, 72/30 + 14/21 = 46/15
In mixed form: 31/15

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