Add 12/9 and 1/30
1st number: 1 3/9, 2nd number: 1/30
12/9 + 1/30 is 41/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
12/9 = 12 × 10/9 × 10 = 120/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
1/30 = 1 × 3/30 × 3 = 3/90 - Add the two like fractions:
120/90 + 3/90 = 120 + 3/90 = 123/90 - 123/90 simplified gives 41/30
- So, 12/9 + 1/30 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+1/30 12/9+2/30 12/18+1/30 12/9+1/60 36/9+1/30 12/9+3/30 12/27+1/30 12/9+1/90 60/9+1/30 12/9+5/30 12/45+1/30 84/9+1/30 12/9+7/30 12/63+1/30