Add 28/18 and 1/5
1st number: 1 10/18, 2nd number: 1/5
28/18 + 1/5 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
1/5 = 1 × 18/5 × 18 = 18/90 - Add the two like fractions:
140/90 + 18/90 = 140 + 18/90 = 158/90 - 158/90 simplified gives 79/45
- So, 28/18 + 1/5 = 79/45
In mixed form: 134/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+1/5 28/18+2/5 28/36+1/5 28/18+1/10 84/18+1/5 28/18+3/5 28/54+1/5 28/18+1/15 28/90+1/5 28/18+1/25 28/18+7/5 28/18+1/35