Add 32/9 and 49/80, Solve 3 5/9 + 49/80 as a fraction

Add 32/9 and 49/80

1^st number: 3 5/9, 2^nd number: 49/80

32/9 + 49/80 is 3001/720.

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,
32/9 = 32 × 80/9 × 80 = 2560/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
49/80 = 49 × 9/80 × 9 = 441/720
Add the two like fractions:
2560/720 + 441/720 = 2560 + 441/720 = 3001/720
So, 32/9 + 49/80 = 3001/720
In mixed form: 4121/720

MathStep (Works offline)

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