Add 1/28 and 5/20
1/28 + 5/20 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
1/28 = 1 × 5/28 × 5 = 5/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
5/20 = 5 × 7/20 × 7 = 35/140 - Add the two like fractions:
5/140 + 35/140 = 5 + 35/140 = 40/140 - 40/140 simplified gives 2/7
- So, 1/28 + 5/20 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+5/20 1/28+10/20 1/56+5/20 1/28+5/40 3/28+5/20 1/28+15/20 1/84+5/20 1/28+5/60 5/28+5/20 1/28+25/20 7/28+5/20 1/28+35/20