Add 4/81 and 9/30
4/81 + 9/30 is 283/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
4/81 = 4 × 10/81 × 10 = 40/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
9/30 = 9 × 27/30 × 27 = 243/810 - Add the two like fractions:
40/810 + 243/810 = 40 + 243/810 = 283/810 - So, 4/81 + 9/30 = 283/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81+9/30 4/81+18/30 4/81+9/60 12/81+9/30 4/81+27/30 4/81+9/90 20/81+9/30 4/81+45/30 28/81+9/30 4/81+63/30