Add 36/18 and 35/20
1st number: 2 0/18, 2nd number: 1 15/20
36/18 + 35/20 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
36/18 = 36 × 10/18 × 10 = 360/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Add the two like fractions:
360/180 + 315/180 = 360 + 315/180 = 675/180 - 675/180 simplified gives 15/4
- So, 36/18 + 35/20 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+35/20 36/18+70/20 36/18+35/40 36/54+35/20 36/18+35/60 36/90+35/20