Add 12/30 and 80/7, Solve 12/30 + 11 3/7 as a fraction

Add 12/30 and 80/7

1^st number: 12/30, 2^nd number: 11 3/7

12/30 + 80/7 is 414/35.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
80/7 = 80 × 30/7 × 30 = 2400/210
Add the two like fractions:
84/210 + 2400/210 = 84 + 2400/210 = 2484/210
2484/210 simplified gives 414/35
So, 12/30 + 80/7 = 414/35
In mixed form: 1129/35

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