Add 6/20 and 18/7
1st number: 6/20, 2nd number: 2 4/7
6/20 + 18/7 is 201/70.
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,
18/7 = 18 × 20/7 × 20 = 360/140 - Add the two like fractions:
42/140 + 360/140 = 42 + 360/140 = 402/140 - 402/140 simplified gives 201/70
- So, 6/20 + 18/7 = 201/70
In mixed form: 261/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+18/7 6/20+36/7 6/40+18/7 6/20+18/14 18/20+18/7 6/20+54/7 6/60+18/7 6/20+18/21 30/20+18/7 6/20+90/7 6/20+18/35 42/20+18/7 6/20+18/49