Add 20/27 and 30/80
20/27 + 30/80 is 241/216.
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,
20/27 = 20 × 80/27 × 80 = 1600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Add the two like fractions:
1600/2160 + 810/2160 = 1600 + 810/2160 = 2410/2160 - 2410/2160 simplified gives 241/216
- So, 20/27 + 30/80 = 241/216
In mixed form: 125/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+30/80 20/27+60/80 20/54+30/80 60/27+30/80 20/27+90/80 20/81+30/80