Add 4/9 and 81/30
1st number: 4/9, 2nd number: 2 21/30
4/9 + 81/30 is 283/90.
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,
81/30 = 81 × 3/30 × 3 = 243/90 - Add the two like fractions:
40/90 + 243/90 = 40 + 243/90 = 283/90 - So, 4/9 + 81/30 = 283/90
In mixed form: 313/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9+81/30 4/18+81/30 4/9+81/60 12/9+81/30 4/27+81/30 4/9+81/90 20/9+81/30 4/45+81/30 28/9+81/30 4/63+81/30