Add 20/14 and 30/20
1st number: 1 6/14, 2nd number: 1 10/20
20/14 + 30/20 is 41/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
20/14 = 20 × 10/14 × 10 = 200/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Add the two like fractions:
200/140 + 210/140 = 200 + 210/140 = 410/140 - 410/140 simplified gives 41/14
- So, 20/14 + 30/20 = 41/14
In mixed form: 213/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+30/20 20/14+60/20 20/28+30/20 20/14+30/40 60/14+30/20 20/14+90/20 20/42+30/20 20/14+30/60 20/70+30/20 20/98+30/20