Add 14/40 and 20/7
1st number: 14/40, 2nd number: 2 6/7
14/40 + 20/7 is 449/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
14/40 = 14 × 7/40 × 7 = 98/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
20/7 = 20 × 40/7 × 40 = 800/280 - Add the two like fractions:
98/280 + 800/280 = 98 + 800/280 = 898/280 - 898/280 simplified gives 449/140
- So, 14/40 + 20/7 = 449/140
In mixed form: 329/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/40+20/7 14/40+40/7 14/80+20/7 14/40+20/14 42/40+20/7 14/40+60/7 14/40+20/21 70/40+20/7 14/40+20/35 98/40+20/7 14/40+20/49