Add 28/36 and 30/20
1st number: 28/36, 2nd number: 1 10/20
28/36 + 30/20 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Add the two like fractions:
140/180 + 270/180 = 140 + 270/180 = 410/180 - 410/180 simplified gives 41/18
- So, 28/36 + 30/20 = 41/18
In mixed form: 25/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+30/20 28/36+60/20 28/72+30/20 28/36+30/40 84/36+30/20 28/36+90/20 28/36+30/60