Add 6/9 and 8/90
6/9 + 8/90 is 34/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
6/9 = 6 × 10/9 × 10 = 60/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Add the two like fractions:
60/90 + 8/90 = 60 + 8/90 = 68/90 - 68/90 simplified gives 34/45
- So, 6/9 + 8/90 = 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+8/90 6/9+16/90 6/18+8/90 18/9+8/90 6/9+24/90 6/27+8/90 30/9+8/90 6/9+40/90 6/45+8/90 42/9+8/90 6/9+56/90 6/63+8/90