Add 27/40 and 6/9
27/40 + 6/9 is 161/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
6/9 = 6 × 40/9 × 40 = 240/360 - Add the two like fractions:
243/360 + 240/360 = 243 + 240/360 = 483/360 - 483/360 simplified gives 161/120
- So, 27/40 + 6/9 = 161/120
In mixed form: 141/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+6/9 27/40+12/9 27/80+6/9 27/40+6/18 81/40+6/9 27/40+18/9 27/40+6/27 27/40+30/9 27/40+6/45 27/40+42/9 27/40+6/63