Add 3/12 and 80/30, Solve 3/12 + 2 20/30 as a fraction

Add 3/12 and 80/30

1^st number: 3/12, 2^nd number: 2 20/30

3/12 + 80/30 is 35/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60
Likewise, for the 2nd fraction, since 30 × 2 = 60,
80/30 = 80 × 2/30 × 2 = 160/60
Add the two like fractions:
15/60 + 160/60 = 15 + 160/60 = 175/60
175/60 simplified gives 35/12
So, 3/12 + 80/30 = 35/12
In mixed form: 211/12

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