Add 80/90 and 49/20
1st number: 80/90, 2nd number: 2 9/20
80/90 + 49/20 is 601/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
80/90 = 80 × 2/90 × 2 = 160/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
49/20 = 49 × 9/20 × 9 = 441/180 - Add the two like fractions:
160/180 + 441/180 = 160 + 441/180 = 601/180 - So, 80/90 + 49/20 = 601/180
In mixed form: 361/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+98/20 80/90+49/40 80/90+49/60