Add 8/81 and 4/30
8/81 + 4/30 is 94/405.
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,
8/81 = 8 × 10/81 × 10 = 80/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
4/30 = 4 × 27/30 × 27 = 108/810 - Add the two like fractions:
80/810 + 108/810 = 80 + 108/810 = 188/810 - 188/810 simplified gives 94/405
- So, 8/81 + 4/30 = 94/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/81+4/30 8/81+8/30 8/81+4/60 24/81+4/30 8/81+12/30 8/81+4/90 40/81+4/30 8/81+20/30 56/81+4/30 8/81+28/30