Add 25/9 and 1/20
1st number: 2 7/9, 2nd number: 1/20
25/9 + 1/20 is 509/180.
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,
25/9 = 25 × 20/9 × 20 = 500/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Add the two like fractions:
500/180 + 9/180 = 500 + 9/180 = 509/180 - So, 25/9 + 1/20 = 509/180
In mixed form: 2149/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/9+1/20 25/9+2/20 25/18+1/20 25/9+1/40 75/9+1/20 25/9+3/20 25/27+1/20 25/9+1/60 25/9+5/20 25/45+1/20 25/9+7/20 25/63+1/20