Add 80/30 and 18/84, Solve 2 20/30 + 18/84 as a fraction

Add 80/30 and 18/84

1^st number: 2 20/30, 2^nd number: 18/84

80/30 + 18/84 is 121/42.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
80/30 = 80 × 14/30 × 14 = 1120/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420
Add the two like fractions:
1120/420 + 90/420 = 1120 + 90/420 = 1210/420
1210/420 simplified gives 121/42
So, 80/30 + 18/84 = 121/42
In mixed form: 237/42

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