Add 16/80 and 70/9
1st number: 16/80, 2nd number: 7 7/9
16/80 + 70/9 is 359/45.
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,
70/9 = 70 × 80/9 × 80 = 5600/720 - Add the two like fractions:
144/720 + 5600/720 = 144 + 5600/720 = 5744/720 - 5744/720 simplified gives 359/45
- So, 16/80 + 70/9 = 359/45
In mixed form: 744/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/80+70/9 16/80+70/18 48/80+70/9 16/80+70/27 16/80+70/45 16/80+70/63