Add 2/7 and 14/40
2/7 + 14/40 is 89/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
2/7 = 2 × 40/7 × 40 = 80/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
14/40 = 14 × 7/40 × 7 = 98/280 - Add the two like fractions:
80/280 + 98/280 = 80 + 98/280 = 178/280 - 178/280 simplified gives 89/140
- So, 2/7 + 14/40 = 89/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+14/40 2/7+28/40 2/14+14/40 2/7+14/80 6/7+14/40 2/7+42/40 2/21+14/40 10/7+14/40 2/7+70/40 2/35+14/40 14/7+14/40 2/7+98/40 2/49+14/40