Add 80/9 and 9/60, Solve 8 8/9 + 9/60 as a fraction

Add 80/9 and 9/60

1^st number: 8 8/9, 2^nd number: 9/60

80/9 + 9/60 is 1627/180.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 9 × 20 = 180,
80/9 = 80 × 20/9 × 20 = 1600/180
Likewise, for the 2nd fraction, since 60 × 3 = 180,
9/60 = 9 × 3/60 × 3 = 27/180
Add the two like fractions:
1600/180 + 27/180 = 1600 + 27/180 = 1627/180
So, 80/9 + 9/60 = 1627/180
In mixed form: 97/180

MathStep (Works offline)

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