Add 2/40 and 4/56
2/40 + 4/56 is 17/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280 - Add the two like fractions:
14/280 + 20/280 = 14 + 20/280 = 34/280 - 34/280 simplified gives 17/140
- So, 2/40 + 4/56 = 17/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+4/56 2/40+8/56 2/80+4/56 6/40+4/56 2/40+12/56 10/40+4/56 2/40+20/56 14/40+4/56 2/40+28/56