Add 20/50 and 9/30
20/50 + 9/30 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Add the two like fractions:
60/150 + 45/150 = 60 + 45/150 = 105/150 - 105/150 simplified gives 7/10
- So, 20/50 + 9/30 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+9/30 20/50+18/30 20/50+9/60 60/50+9/30 20/50+27/30 20/50+9/90 20/50+45/30 20/50+63/30