Add 72/10 and 16/21, Solve 7 2/10 + 16/21 as a fraction

Add 72/10 and 16/21

1^st number: 7 2/10, 2^nd number: 16/21

72/10 + 16/21 is 836/105.

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,
16/21 = 16 × 10/21 × 10 = 160/210
Add the two like fractions:
1512/210 + 160/210 = 1512 + 160/210 = 1672/210
1672/210 simplified gives 836/105
So, 72/10 + 16/21 = 836/105
In mixed form: 7101/105

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