Add 35/30 and 15/18
1st number: 1 5/30, 2nd number: 15/18
35/30 + 15/18 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
35/30 = 35 × 3/30 × 3 = 105/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
105/90 + 75/90 = 105 + 75/90 = 180/90 - 180/90 simplified gives 2/1
- So, 35/30 + 15/18 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+15/18 35/30+30/18 35/60+15/18 35/30+15/36 35/30+45/18 35/90+15/18 35/30+15/54 35/30+75/18 35/30+15/90