Add 7/20 and 25/9
1st number: 7/20, 2nd number: 2 7/9
7/20 + 25/9 is 563/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
25/9 = 25 × 20/9 × 20 = 500/180 - Add the two like fractions:
63/180 + 500/180 = 63 + 500/180 = 563/180 - So, 7/20 + 25/9 = 563/180
In mixed form: 323/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+25/9 7/20+50/9 7/40+25/9 7/20+25/18 21/20+25/9 7/20+75/9 7/60+25/9 7/20+25/27 35/20+25/9 7/20+25/45 49/20+25/9 7/20+25/63