Add 20/42 and 35/10, Solve 20/42 + 3 5/10 as a fraction

Add 20/42 and 35/10

1^st number: 20/42, 2^nd number: 3 5/10

20/42 + 35/10 is 167/42.

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,
20/42 = 20 × 5/42 × 5 = 100/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210
Add the two like fractions:
100/210 + 735/210 = 100 + 735/210 = 835/210
835/210 simplified gives 167/42
So, 20/42 + 35/10 = 167/42
In mixed form: 341/42

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