Add 5/14 and 15/40
5/14 + 15/40 is 41/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
5/14 = 5 × 20/14 × 20 = 100/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
100/280 + 105/280 = 100 + 105/280 = 205/280 - 205/280 simplified gives 41/56
- So, 5/14 + 15/40 = 41/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14+15/40 5/14+30/40 5/28+15/40 5/14+15/80 15/14+15/40 5/14+45/40 5/42+15/40 25/14+15/40 5/14+75/40 5/70+15/40 35/14+15/40 5/98+15/40