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

Add 72/30 and 2/21

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

72/30 + 2/21 is 262/105.

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,
2/21 = 2 × 10/21 × 10 = 20/210
Add the two like fractions:
504/210 + 20/210 = 504 + 20/210 = 524/210
524/210 simplified gives 262/105
So, 72/30 + 2/21 = 262/105
In mixed form: 252/105

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