Add 90/10 and 30/9
1st number: 9 0/10, 2nd number: 3 3/9
90/10 + 30/9 is 37/3.
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,
90/10 = 90 × 9/10 × 9 = 810/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Add the two like fractions:
810/90 + 300/90 = 810 + 300/90 = 1110/90 - 1110/90 simplified gives 37/3
- So, 90/10 + 30/9 = 37/3
In mixed form: 121/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+60/9 90/20+30/9 90/10+30/18 90/10+90/9 90/30+30/9 90/10+30/27 90/50+30/9 90/10+30/45 90/70+30/9 90/10+30/63