Add 90/8 and 56/9
1st number: 11 2/8, 2nd number: 6 2/9
90/8 + 56/9 is 629/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
56/9 = 56 × 8/9 × 8 = 448/72 - Add the two like fractions:
810/72 + 448/72 = 810 + 448/72 = 1258/72 - 1258/72 simplified gives 629/36
- So, 90/8 + 56/9 = 629/36
In mixed form: 1717/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+56/9 90/8+56/18 90/24+56/9 90/8+56/27 90/40+56/9 90/8+56/45 90/56+56/9 90/8+56/63