Add 35/70 and 25/18
1st number: 35/70, 2nd number: 1 7/18
35/70 + 25/18 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630 - Add the two like fractions:
315/630 + 875/630 = 315 + 875/630 = 1190/630 - 1190/630 simplified gives 17/9
- So, 35/70 + 25/18 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+50/18 35/70+25/36 35/70+75/18 35/70+25/54 35/70+25/90