Add 3/81 and 2/30
3/81 + 2/30 is 14/135.
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,
3/81 = 3 × 10/81 × 10 = 30/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
2/30 = 2 × 27/30 × 27 = 54/810 - Add the two like fractions:
30/810 + 54/810 = 30 + 54/810 = 84/810 - 84/810 simplified gives 14/135
- So, 3/81 + 2/30 = 14/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/81+2/30 3/81+4/30 3/81+2/60 9/81+2/30 3/81+6/30 3/81+2/90 15/81+2/30 3/81+10/30 21/81+2/30 3/81+14/30