Add 30/20 and 2/84, Solve 1 10/20 + 2/84 as a fraction

Add 30/20 and 2/84

1^st number: 1 10/20, 2^nd number: 2/84

30/20 + 2/84 is 32/21.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
30/20 = 30 × 21/20 × 21 = 630/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420
Add the two like fractions:
630/420 + 10/420 = 630 + 10/420 = 640/420
640/420 simplified gives 32/21
So, 30/20 + 2/84 = 32/21
In mixed form: 111/21

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