Add 80/9 and 28/25, Solve 8 8/9 + 1 3/25 as a fraction

Add 80/9 and 28/25

1^st number: 8 8/9, 2^nd number: 1 3/25

80/9 + 28/25 is 2252/225.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 9 × 25 = 225,
80/9 = 80 × 25/9 × 25 = 2000/225
Likewise, for the 2nd fraction, since 25 × 9 = 225,
28/25 = 28 × 9/25 × 9 = 252/225
Add the two like fractions:
2000/225 + 252/225 = 2000 + 252/225 = 2252/225
So, 80/9 + 28/25 = 2252/225
In mixed form: 102/225

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad