Add 3/10 and 9/30
3/10 + 9/30 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Add the two like fractions:
9/30 + 9/30 = 9 + 9/30 = 18/30 - 18/30 simplified gives 3/5
- So, 3/10 + 9/30 = 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+9/30 3/10+18/30 3/20+9/30 3/10+9/60 9/10+9/30 3/10+27/30 3/30+9/30 3/10+9/90 15/10+9/30 3/10+45/30 3/50+9/30 21/10+9/30 3/10+63/30 3/70+9/30