Add 20/27 and 18/8
1st number: 20/27, 2nd number: 2 2/8
20/27 + 18/8 is 323/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
18/8 = 18 × 27/8 × 27 = 486/216 - Add the two like fractions:
160/216 + 486/216 = 160 + 486/216 = 646/216 - 646/216 simplified gives 323/108
- So, 20/27 + 18/8 = 323/108
In mixed form: 2107/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+18/8 20/27+36/8 20/54+18/8 20/27+18/16 60/27+18/8 20/27+54/8 20/81+18/8 20/27+18/24 20/27+90/8 20/27+18/40 20/27+18/56