Add 20/8 and 60/9
1st number: 2 4/8, 2nd number: 6 6/9
20/8 + 60/9 is 55/6.
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,
60/9 = 60 × 8/9 × 8 = 480/72 - Add the two like fractions:
180/72 + 480/72 = 180 + 480/72 = 660/72 - 660/72 simplified gives 55/6
- So, 20/8 + 60/9 = 55/6
In mixed form: 91/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+60/9 20/16+60/9 20/8+60/18 60/8+60/9 20/24+60/9 20/8+60/27 20/40+60/9 20/8+60/45 20/56+60/9 20/8+60/63