Add 16/80 and 15/9
1st number: 16/80, 2nd number: 1 6/9
16/80 + 15/9 is 28/15.
Steps for adding fractions
- 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,
16/80 = 16 × 9/80 × 9 = 144/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
15/9 = 15 × 80/9 × 80 = 1200/720 - Add the two like fractions:
144/720 + 1200/720 = 144 + 1200/720 = 1344/720 - 1344/720 simplified gives 28/15
- So, 16/80 + 15/9 = 28/15
In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/80+15/9 16/80+30/9 16/80+15/18 48/80+15/9 16/80+45/9 16/80+15/27 16/80+75/9 16/80+15/45 16/80+15/63