Add 72/10 and 56/21, Solve 7 2/10 + 2 14/21 as a fraction

Add 72/10 and 56/21

1^st number: 7 2/10, 2^nd number: 2 14/21

72/10 + 56/21 is 148/15.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
72/10 = 72 × 21/10 × 21 = 1512/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210
Add the two like fractions:
1512/210 + 560/210 = 1512 + 560/210 = 2072/210
2072/210 simplified gives 148/15
So, 72/10 + 56/21 = 148/15
In mixed form: 913/15

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