Add 15/40 and 2/14
15/40 + 2/14 is 29/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
2/14 = 2 × 20/14 × 20 = 40/280 - Add the two like fractions:
105/280 + 40/280 = 105 + 40/280 = 145/280 - 145/280 simplified gives 29/56
- So, 15/40 + 2/14 = 29/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+2/14 15/40+4/14 15/80+2/14 15/40+2/28 45/40+2/14 15/40+6/14 15/40+2/42 75/40+2/14 15/40+10/14 15/40+2/70 15/40+2/98