Add 5/40 and 5/7
5/40 + 5/7 is 47/56.
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,
5/40 = 5 × 7/40 × 7 = 35/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
5/7 = 5 × 40/7 × 40 = 200/280 - Add the two like fractions:
35/280 + 200/280 = 35 + 200/280 = 235/280 - 235/280 simplified gives 47/56
- So, 5/40 + 5/7 = 47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+5/7 5/40+10/7 5/80+5/7 5/40+5/14 15/40+5/7 5/40+15/7 5/40+5/21 25/40+5/7 5/40+25/7 5/40+5/35 35/40+5/7 5/40+35/7 5/40+5/49