Add 2/81 and 8/30
2/81 + 8/30 is 118/405.
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,
2/81 = 2 × 10/81 × 10 = 20/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
8/30 = 8 × 27/30 × 27 = 216/810 - Add the two like fractions:
20/810 + 216/810 = 20 + 216/810 = 236/810 - 236/810 simplified gives 118/405
- So, 2/81 + 8/30 = 118/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+8/30 2/81+16/30 2/81+8/60 6/81+8/30 2/81+24/30 2/81+8/90 10/81+8/30 2/81+40/30 14/81+8/30 2/81+56/30