Add 30/20 and 20/35
1st number: 1 10/20, 2nd number: 20/35
30/20 + 20/35 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
20/35 = 20 × 4/35 × 4 = 80/140 - Add the two like fractions:
210/140 + 80/140 = 210 + 80/140 = 290/140 - 290/140 simplified gives 29/14
- So, 30/20 + 20/35 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+20/35 30/20+40/35 30/40+20/35 30/20+20/70 90/20+20/35 30/20+60/35 30/60+20/35