Add 3/40 and 14/30
3/40 + 14/30 is 13/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
14/30 = 14 × 4/30 × 4 = 56/120 - Add the two like fractions:
9/120 + 56/120 = 9 + 56/120 = 65/120 - 65/120 simplified gives 13/24
- So, 3/40 + 14/30 = 13/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+14/30 3/40+28/30 3/80+14/30 3/40+14/60 9/40+14/30 3/40+42/30 3/40+14/90 15/40+14/30 3/40+70/30 21/40+14/30 3/40+98/30