Add 16/9 and 70/80
1st number: 1 7/9, 2nd number: 70/80
16/9 + 70/80 is 191/72.
Steps for adding fractions
- 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,
16/9 = 16 × 80/9 × 80 = 1280/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720 - Add the two like fractions:
1280/720 + 630/720 = 1280 + 630/720 = 1910/720 - 1910/720 simplified gives 191/72
- So, 16/9 + 70/80 = 191/72
In mixed form: 247/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9+70/80 16/18+70/80 48/9+70/80 16/27+70/80 80/9+70/80 16/45+70/80 16/63+70/80