Add 7/18 and 70/35
1st number: 7/18, 2nd number: 2 0/35
7/18 + 70/35 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
7/18 = 7 × 35/18 × 35 = 245/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
70/35 = 70 × 18/35 × 18 = 1260/630 - Add the two like fractions:
245/630 + 1260/630 = 245 + 1260/630 = 1505/630 - 1505/630 simplified gives 43/18
- So, 7/18 + 70/35 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+70/35 7/36+70/35 21/18+70/35 7/54+70/35 35/18+70/35 7/90+70/35 49/18+70/35