Add 45/80 and 80/9, Solve 45/80 + 8 8/9 as a fraction

Add 45/80 and 80/9

1^st number: 45/80, 2^nd number: 8 8/9

45/80 + 80/9 is 1361/144.

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,
45/80 = 45 × 9/80 × 9 = 405/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
80/9 = 80 × 80/9 × 80 = 6400/720
Add the two like fractions:
405/720 + 6400/720 = 405 + 6400/720 = 6805/720
6805/720 simplified gives 1361/144
So, 45/80 + 80/9 = 1361/144
In mixed form: 965/144

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