Add 81/30 and 14/7, Solve 2 21/30 + 2 0/7 as a fraction

Add 81/30 and 14/7

1^st number: 2 21/30, 2^nd number: 2 0/7

81/30 + 14/7 is 47/10.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
81/30 = 81 × 7/30 × 7 = 567/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
14/7 = 14 × 30/7 × 30 = 420/210
Add the two like fractions:
567/210 + 420/210 = 567 + 420/210 = 987/210
987/210 simplified gives 47/10
So, 81/30 + 14/7 = 47/10
In mixed form: 47/10

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