Add 7/42 and 72/10, Solve 7/42 + 7 2/10 as a fraction

Add 7/42 and 72/10

1^st number: 7/42, 2^nd number: 7 2/10

7/42 + 72/10 is 221/30.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
72/10 = 72 × 21/10 × 21 = 1512/210
Add the two like fractions:
35/210 + 1512/210 = 35 + 1512/210 = 1547/210
1547/210 simplified gives 221/30
So, 7/42 + 72/10 = 221/30
In mixed form: 711/30

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