Add 9/90 and 20/30
9/90 + 20/30 is 23/30.
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,
9/90 = 9 × 1/90 × 1 = 9/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Add the two like fractions:
9/90 + 60/90 = 9 + 60/90 = 69/90 - 69/90 simplified gives 23/30
- So, 9/90 + 20/30 = 23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+20/30 9/90+40/30 9/90+20/60 27/90+20/30 9/90+60/30 9/90+20/90 45/90+20/30 63/90+20/30