Add 45/27 and 75/80
1st number: 1 18/27, 2nd number: 75/80
45/27 + 75/80 is 125/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
45/27 = 45 × 80/27 × 80 = 3600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
75/80 = 75 × 27/80 × 27 = 2025/2160 - Add the two like fractions:
3600/2160 + 2025/2160 = 3600 + 2025/2160 = 5625/2160 - 5625/2160 simplified gives 125/48
- So, 45/27 + 75/80 = 125/48
In mixed form: 229/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+75/80 45/54+75/80 45/81+75/80