Add 6/8 and 4/9
6/8 + 4/9 is 43/36.
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,
6/8 = 6 × 9/8 × 9 = 54/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
4/9 = 4 × 8/9 × 8 = 32/72 - Add the two like fractions:
54/72 + 32/72 = 54 + 32/72 = 86/72 - 86/72 simplified gives 43/36
- So, 6/8 + 4/9 = 43/36
In mixed form: 17/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+4/9 6/8+8/9 6/16+4/9 6/8+4/18 18/8+4/9 6/8+12/9 6/24+4/9 6/8+4/27 30/8+4/9 6/8+20/9 6/40+4/9 6/8+4/45 42/8+4/9 6/8+28/9 6/56+4/9 6/8+4/63