Add 5/40 and 14/18
5/40 + 14/18 is 65/72.
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,
5/40 = 5 × 9/40 × 9 = 45/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
14/18 = 14 × 20/18 × 20 = 280/360 - Add the two like fractions:
45/360 + 280/360 = 45 + 280/360 = 325/360 - 325/360 simplified gives 65/72
- So, 5/40 + 14/18 = 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+14/18 5/40+28/18 5/80+14/18 5/40+14/36 15/40+14/18 5/40+42/18 5/40+14/54 25/40+14/18 5/40+70/18 5/40+14/90 35/40+14/18 5/40+98/18