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