Add 10/9 and 90/8
1st number: 1 1/9, 2nd number: 11 2/8
10/9 + 90/8 is 445/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Add the two like fractions:
80/72 + 810/72 = 80 + 810/72 = 890/72 - 890/72 simplified gives 445/36
- So, 10/9 + 90/8 = 445/36
In mixed form: 1213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+90/8 10/18+90/8 10/9+90/16 30/9+90/8 10/27+90/8 10/9+90/24 50/9+90/8 10/45+90/8 10/9+90/40 70/9+90/8 10/63+90/8 10/9+90/56