Add 6/40 and 5/7
6/40 + 5/7 is 121/140.
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,
6/40 = 6 × 7/40 × 7 = 42/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
5/7 = 5 × 40/7 × 40 = 200/280 - Add the two like fractions:
42/280 + 200/280 = 42 + 200/280 = 242/280 - 242/280 simplified gives 121/140
- So, 6/40 + 5/7 = 121/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+5/7 6/40+10/7 6/80+5/7 6/40+5/14 18/40+5/7 6/40+15/7 6/40+5/21 30/40+5/7 6/40+25/7 6/40+5/35 42/40+5/7 6/40+35/7 6/40+5/49