Add 9/10 and 18/30
9/10 + 18/30 is 3/2.
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,
9/10 = 9 × 3/10 × 3 = 27/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Add the two like fractions:
27/30 + 18/30 = 27 + 18/30 = 45/30 - 45/30 simplified gives 3/2
- So, 9/10 + 18/30 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+18/30 9/10+36/30 9/20+18/30 9/10+18/60 27/10+18/30 9/10+54/30 9/30+18/30 9/10+18/90 45/10+18/30 9/10+90/30 9/50+18/30 63/10+18/30 9/70+18/30