Add 12/3 and 9/90
1st number: 4 0/3, 2nd number: 9/90
12/3 + 9/90 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
12/3 = 12 × 30/3 × 30 = 360/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
360/90 + 9/90 = 360 + 9/90 = 369/90 - 369/90 simplified gives 41/10
- So, 12/3 + 9/90 = 41/10
In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+9/90 12/3+18/90 12/6+9/90 36/3+9/90 12/3+27/90 12/9+9/90 60/3+9/90 12/3+45/90 12/15+9/90 84/3+9/90 12/3+63/90 12/21+9/90