Add 28/18 and 35/70
1st number: 1 10/18, 2nd number: 35/70
28/18 + 35/70 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
28/18 = 28 × 35/18 × 35 = 980/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Add the two like fractions:
980/630 + 315/630 = 980 + 315/630 = 1295/630 - 1295/630 simplified gives 37/18
- So, 28/18 + 35/70 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+35/70 28/36+35/70 84/18+35/70 28/54+35/70 28/90+35/70