Add 8/9 and 12/30
8/9 + 12/30 is 58/45.
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,
8/9 = 8 × 10/9 × 10 = 80/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
12/30 = 12 × 3/30 × 3 = 36/90 - Add the two like fractions:
80/90 + 36/90 = 80 + 36/90 = 116/90 - 116/90 simplified gives 58/45
- So, 8/9 + 12/30 = 58/45
In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+12/30 8/9+24/30 8/18+12/30 8/9+12/60 24/9+12/30 8/9+36/30 8/27+12/30 8/9+12/90 40/9+12/30 8/9+60/30 8/45+12/30 56/9+12/30 8/9+84/30 8/63+12/30