Add 20/10 and 3/84, Solve 2 0/10 + 3/84 as a fraction

Add 20/10 and 3/84

1^st number: 2 0/10, 2^nd number: 3/84

20/10 + 3/84 is 57/28.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 10 × 42 = 420,
20/10 = 20 × 42/10 × 42 = 840/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420
Add the two like fractions:
840/420 + 15/420 = 840 + 15/420 = 855/420
855/420 simplified gives 57/28
So, 20/10 + 3/84 = 57/28
In mixed form: 21/28

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