Add 20/3 and 12/28, Solve 6 2/3 + 12/28 as a fraction

Add 20/3 and 12/28

1^st number: 6 2/3, 2^nd number: 12/28

20/3 + 12/28 is 149/21.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 3 × 28 = 84,
20/3 = 20 × 28/3 × 28 = 560/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
12/28 = 12 × 3/28 × 3 = 36/84
Add the two like fractions:
560/84 + 36/84 = 560 + 36/84 = 596/84
596/84 simplified gives 149/21
So, 20/3 + 12/28 = 149/21
In mixed form: 72/21

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