Add 4/9 and 12/30
4/9 + 12/30 is 38/45.
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,
4/9 = 4 × 10/9 × 10 = 40/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
12/30 = 12 × 3/30 × 3 = 36/90 - Add the two like fractions:
40/90 + 36/90 = 40 + 36/90 = 76/90 - 76/90 simplified gives 38/45
- So, 4/9 + 12/30 = 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9+12/30 4/9+24/30 4/18+12/30 4/9+12/60 12/9+12/30 4/9+36/30 4/27+12/30 4/9+12/90 20/9+12/30 4/9+60/30 4/45+12/30 28/9+12/30 4/9+84/30 4/63+12/30