Add 4/40 and 6/18
4/40 + 6/18 is 13/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
6/18 = 6 × 20/18 × 20 = 120/360 - Add the two like fractions:
36/360 + 120/360 = 36 + 120/360 = 156/360 - 156/360 simplified gives 13/30
- So, 4/40 + 6/18 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+6/18 4/40+12/18 4/80+6/18 4/40+6/36 12/40+6/18 4/40+6/54 20/40+6/18 4/40+30/18 4/40+6/90 28/40+6/18 4/40+42/18