Add 80/35 and 7/45
1st number: 2 10/35, 2nd number: 7/45
80/35 + 7/45 is 769/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
80/35 = 80 × 9/35 × 9 = 720/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
7/45 = 7 × 7/45 × 7 = 49/315 - Add the two like fractions:
720/315 + 49/315 = 720 + 49/315 = 769/315 - So, 80/35 + 7/45 = 769/315
In mixed form: 2139/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+14/45 80/70+7/45 80/35+7/90 80/35+21/45 80/35+35/45 80/35+49/45