Add 27/20 and 8/9
1st number: 1 7/20, 2nd number: 8/9
27/20 + 8/9 is 403/180.
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,
27/20 = 27 × 9/20 × 9 = 243/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
8/9 = 8 × 20/9 × 20 = 160/180 - Add the two like fractions:
243/180 + 160/180 = 243 + 160/180 = 403/180 - So, 27/20 + 8/9 = 403/180
In mixed form: 243/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+8/9 27/20+16/9 27/40+8/9 27/20+8/18 81/20+8/9 27/20+24/9 27/60+8/9 27/20+8/27 27/20+40/9 27/20+8/45 27/20+56/9 27/20+8/63