Add 30/20 and 60/28
1st number: 1 10/20, 2nd number: 2 4/28
30/20 + 60/28 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 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 28 × 5 = 140,
60/28 = 60 × 5/28 × 5 = 300/140 - Add the two like fractions:
210/140 + 300/140 = 210 + 300/140 = 510/140 - 510/140 simplified gives 51/14
- So, 30/20 + 60/28 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+60/28 30/40+60/28 30/20+60/56 90/20+60/28 30/60+60/28 30/20+60/84