Add 3/18 and 35/28
1st number: 3/18, 2nd number: 1 7/28
3/18 + 35/28 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
3/18 = 3 × 14/18 × 14 = 42/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
35/28 = 35 × 9/28 × 9 = 315/252 - Add the two like fractions:
42/252 + 315/252 = 42 + 315/252 = 357/252 - 357/252 simplified gives 17/12
- So, 3/18 + 35/28 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+35/28 3/18+70/28 3/36+35/28 3/18+35/56 9/18+35/28 3/54+35/28 3/18+35/84 15/18+35/28 3/90+35/28 21/18+35/28