Add 20/3 and 80/90, Solve 6 2/3 + 80/90 as a fraction

Add 20/3 and 80/90

1^st number: 6 2/3, 2^nd number: 80/90

20/3 + 80/90 is 68/9.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 3 × 30 = 90,
20/3 = 20 × 30/3 × 30 = 600/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90
Add the two like fractions:
600/90 + 80/90 = 600 + 80/90 = 680/90
680/90 simplified gives 68/9
So, 20/3 + 80/90 = 68/9
In mixed form: 75/9

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