Add 10/3 and 20/42, Solve 3 1/3 + 20/42 as a fraction

Add 10/3 and 20/42

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

10/3 + 20/42 is 80/21.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
10/3 = 10 × 14/3 × 14 = 140/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42
Add the two like fractions:
140/42 + 20/42 = 140 + 20/42 = 160/42
160/42 simplified gives 80/21
So, 10/3 + 20/42 = 80/21
In mixed form: 317/21

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