Add 9/40 and 6/9
9/40 + 6/9 is 107/120.
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,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
6/9 = 6 × 40/9 × 40 = 240/360 - Add the two like fractions:
81/360 + 240/360 = 81 + 240/360 = 321/360 - 321/360 simplified gives 107/120
- So, 9/40 + 6/9 = 107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40+6/9 9/40+12/9 9/80+6/9 9/40+6/18 27/40+6/9 9/40+18/9 9/40+6/27 45/40+6/9 9/40+30/9 9/40+6/45 63/40+6/9 9/40+42/9 9/40+6/63