Add 9/10 and 5/9
9/10 + 5/9 is 131/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
5/9 = 5 × 10/9 × 10 = 50/90 - Add the two like fractions:
81/90 + 50/90 = 81 + 50/90 = 131/90 - So, 9/10 + 5/9 = 131/90
In mixed form: 141/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+5/9 9/10+10/9 9/20+5/9 9/10+5/18 27/10+5/9 9/10+15/9 9/30+5/9 9/10+5/27 45/10+5/9 9/10+25/9 9/50+5/9 9/10+5/45 63/10+5/9 9/10+35/9 9/70+5/9 9/10+5/63