Add 27/7 and 6/20
1st number: 3 6/7, 2nd number: 6/20
27/7 + 6/20 is 291/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
27/7 = 27 × 20/7 × 20 = 540/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Add the two like fractions:
540/140 + 42/140 = 540 + 42/140 = 582/140 - 582/140 simplified gives 291/70
- So, 27/7 + 6/20 = 291/70
In mixed form: 411/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+6/20 27/7+12/20 27/14+6/20 27/7+6/40 81/7+6/20 27/7+18/20 27/21+6/20 27/7+6/60 27/7+30/20 27/35+6/20 27/7+42/20 27/49+6/20