Add 30/20 and 63/36
1st number: 1 10/20, 2nd number: 1 27/36
30/20 + 63/36 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
63/36 = 63 × 5/36 × 5 = 315/180 - Add the two like fractions:
270/180 + 315/180 = 270 + 315/180 = 585/180 - 585/180 simplified gives 13/4
- So, 30/20 + 63/36 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+63/36 30/40+63/36 30/20+63/72 90/20+63/36 30/60+63/36