Add 35/2 and 70/90
1st number: 17 1/2, 2nd number: 70/90
35/2 + 70/90 is 329/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
35/2 = 35 × 45/2 × 45 = 1575/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
1575/90 + 70/90 = 1575 + 70/90 = 1645/90 - 1645/90 simplified gives 329/18
- So, 35/2 + 70/90 = 329/18
In mixed form: 185/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+70/90 35/4+70/90 35/6+70/90 35/10+70/90 35/14+70/90