Add 7/42 and 20/10, Solve 7/42 + 2 0/10 as a fraction

Add 7/42 and 20/10

1^st number: 7/42, 2^nd number: 2 0/10

7/42 + 20/10 is 13/6.

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,
20/10 = 20 × 21/10 × 21 = 420/210
Add the two like fractions:
35/210 + 420/210 = 35 + 420/210 = 455/210
455/210 simplified gives 13/6
So, 7/42 + 20/10 = 13/6
In mixed form: 21/6

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