Add 9/42 and 80/30, Solve 9/42 + 2 20/30 as a fraction

Add 9/42 and 80/30

1^st number: 9/42, 2^nd number: 2 20/30

9/42 + 80/30 is 121/42.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210
Add the two like fractions:
45/210 + 560/210 = 45 + 560/210 = 605/210
605/210 simplified gives 121/42
So, 9/42 + 80/30 = 121/42
In mixed form: 237/42

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