Add 20/3 and 12/42, Solve 6 2/3 + 12/42 as a fraction

Add 20/3 and 12/42

1^st number: 6 2/3, 2^nd number: 12/42

20/3 + 12/42 is 146/21.

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,
20/3 = 20 × 14/3 × 14 = 280/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42
Add the two like fractions:
280/42 + 12/42 = 280 + 12/42 = 292/42
292/42 simplified gives 146/21
So, 20/3 + 12/42 = 146/21
In mixed form: 620/21

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