Add 80/40 and 15/27
1st number: 2 0/40, 2nd number: 15/27
80/40 + 15/27 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
80/40 = 80 × 27/40 × 27 = 2160/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
15/27 = 15 × 40/27 × 40 = 600/1080 - Add the two like fractions:
2160/1080 + 600/1080 = 2160 + 600/1080 = 2760/1080 - 2760/1080 simplified gives 23/9
- So, 80/40 + 15/27 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/40+30/27 80/40+15/54 80/40+45/27 80/40+15/81 80/40+75/27