Add 56/9 and 15/20
1st number: 6 2/9, 2nd number: 15/20
56/9 + 15/20 is 251/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
56/9 = 56 × 20/9 × 20 = 1120/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
1120/180 + 135/180 = 1120 + 135/180 = 1255/180 - 1255/180 simplified gives 251/36
- So, 56/9 + 15/20 = 251/36
In mixed form: 635/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+30/20 56/18+15/20 56/9+15/40 56/9+45/20 56/27+15/20 56/9+15/60 56/9+75/20 56/45+15/20 56/63+15/20