Add 14/7 and 80/45
1st number: 2 0/7, 2nd number: 1 35/45
14/7 + 80/45 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
14/7 = 14 × 45/7 × 45 = 630/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
80/45 = 80 × 7/45 × 7 = 560/315 - Add the two like fractions:
630/315 + 560/315 = 630 + 560/315 = 1190/315 - 1190/315 simplified gives 34/9
- So, 14/7 + 80/45 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7+80/45 14/7+80/90 42/7+80/45 14/21+80/45 70/7+80/45 14/35+80/45 98/7+80/45 14/49+80/45