Add 1/5 and 18/28
1/5 + 18/28 is 59/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
1/5 = 1 × 28/5 × 28 = 28/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Add the two like fractions:
28/140 + 90/140 = 28 + 90/140 = 118/140 - 118/140 simplified gives 59/70
- So, 1/5 + 18/28 = 59/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+18/28 1/5+36/28 1/10+18/28 1/5+18/56 3/5+18/28 1/5+54/28 1/15+18/28 1/5+18/84 1/5+90/28 1/25+18/28 7/5+18/28 1/35+18/28