Add 6/20 and 1/7
6/20 + 1/7 is 31/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
1/7 = 1 × 20/7 × 20 = 20/140 - Add the two like fractions:
42/140 + 20/140 = 42 + 20/140 = 62/140 - 62/140 simplified gives 31/70
- So, 6/20 + 1/7 = 31/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+1/7 6/20+2/7 6/40+1/7 6/20+1/14 18/20+1/7 6/20+3/7 6/60+1/7 6/20+1/21 30/20+1/7 6/20+5/7 6/20+1/35 42/20+1/7 6/20+1/49