Add 20/27 and 35/84
20/27 + 35/84 is 125/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
20/27 = 20 × 28/27 × 28 = 560/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
35/84 = 35 × 9/84 × 9 = 315/756 - Add the two like fractions:
560/756 + 315/756 = 560 + 315/756 = 875/756 - 875/756 simplified gives 125/108
- So, 20/27 + 35/84 = 125/108
In mixed form: 117/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+35/84 20/27+70/84 20/54+35/84 60/27+35/84 20/81+35/84