Add 4/30 and 9/20
4/30 + 9/20 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
8/60 + 27/60 = 8 + 27/60 = 35/60 - 35/60 simplified gives 7/12
- So, 4/30 + 9/20 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+9/20 4/30+18/20 4/60+9/20 4/30+9/40 12/30+9/20 4/30+27/20 4/90+9/20 4/30+9/60 20/30+9/20 4/30+45/20 28/30+9/20 4/30+63/20