Add 3/40 and 6/9
3/40 + 6/9 is 89/120.
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,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
6/9 = 6 × 40/9 × 40 = 240/360 - Add the two like fractions:
27/360 + 240/360 = 27 + 240/360 = 267/360 - 267/360 simplified gives 89/120
- So, 3/40 + 6/9 = 89/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+6/9 3/40+12/9 3/80+6/9 3/40+6/18 9/40+6/9 3/40+18/9 3/40+6/27 15/40+6/9 3/40+30/9 3/40+6/45 21/40+6/9 3/40+42/9 3/40+6/63