Add 80/9 and 72/80, Solve 8 8/9 + 72/80 as a fraction

Add 80/9 and 72/80

1^st number: 8 8/9, 2^nd number: 72/80

80/9 + 72/80 is 881/90.

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

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
80/9 = 80 × 80/9 × 80 = 6400/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720
Add the two like fractions:
6400/720 + 648/720 = 6400 + 648/720 = 7048/720
7048/720 simplified gives 881/90
So, 80/9 + 72/80 = 881/90
In mixed form: 971/90

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