Add 20/30 and 3/36
20/30 + 3/36 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
20/30 = 20 × 6/30 × 6 = 120/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Add the two like fractions:
120/180 + 15/180 = 120 + 15/180 = 135/180 - 135/180 simplified gives 3/4
- So, 20/30 + 3/36 = 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+3/36 20/30+6/36 20/60+3/36 20/30+3/72 60/30+3/36 20/30+9/36 20/90+3/36 20/30+15/36 20/30+21/36