Add 20/8 and 2/9
1st number: 2 4/8, 2nd number: 2/9
20/8 + 2/9 is 49/18.
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,
20/8 = 20 × 9/8 × 9 = 180/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
2/9 = 2 × 8/9 × 8 = 16/72 - Add the two like fractions:
180/72 + 16/72 = 180 + 16/72 = 196/72 - 196/72 simplified gives 49/18
- So, 20/8 + 2/9 = 49/18
In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+2/9 20/8+4/9 20/16+2/9 20/8+2/18 60/8+2/9 20/8+6/9 20/24+2/9 20/8+2/27 20/8+10/9 20/40+2/9 20/8+2/45 20/8+14/9 20/56+2/9 20/8+2/63