Add 20/36 and 35/15
1st number: 20/36, 2nd number: 2 5/15
20/36 + 35/15 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
35/15 = 35 × 12/15 × 12 = 420/180 - Add the two like fractions:
100/180 + 420/180 = 100 + 420/180 = 520/180 - 520/180 simplified gives 26/9
- So, 20/36 + 35/15 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+35/15 20/36+70/15 20/72+35/15 20/36+35/30 60/36+35/15 20/36+35/45 20/36+35/75