Add 5/20 and 5/28
5/20 + 5/28 is 3/7.
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,
5/20 = 5 × 7/20 × 7 = 35/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
5/28 = 5 × 5/28 × 5 = 25/140 - Add the two like fractions:
35/140 + 25/140 = 35 + 25/140 = 60/140 - 60/140 simplified gives 3/7
- So, 5/20 + 5/28 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+5/28 5/20+10/28 5/40+5/28 5/20+5/56 15/20+5/28 5/20+15/28 5/60+5/28 5/20+5/84 25/20+5/28 5/20+25/28 35/20+5/28 5/20+35/28