Add 35/20 and 12/18
1st number: 1 15/20, 2nd number: 12/18
35/20 + 12/18 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
12/18 = 12 × 10/18 × 10 = 120/180 - Add the two like fractions:
315/180 + 120/180 = 315 + 120/180 = 435/180 - 435/180 simplified gives 29/12
- So, 35/20 + 12/18 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+12/18 35/20+24/18 35/40+12/18 35/20+12/36 35/20+36/18 35/60+12/18 35/20+12/54 35/20+60/18 35/20+12/90 35/20+84/18