Add 30/80 and 80/9, Solve 30/80 + 8 8/9 as a fraction

Add 30/80 and 80/9

1^st number: 30/80, 2^nd number: 8 8/9

30/80 + 80/9 is 667/72.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
80/9 = 80 × 80/9 × 80 = 6400/720
Add the two like fractions:
270/720 + 6400/720 = 270 + 6400/720 = 6670/720
6670/720 simplified gives 667/72
So, 30/80 + 80/9 = 667/72
In mixed form: 919/72

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