Add 9/10 and 30/90
9/10 + 30/90 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Add the two like fractions:
81/90 + 30/90 = 81 + 30/90 = 111/90 - 111/90 simplified gives 37/30
- So, 9/10 + 30/90 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+30/90 9/10+60/90 9/20+30/90 27/10+30/90 9/30+30/90 45/10+30/90 9/50+30/90 63/10+30/90 9/70+30/90