Add 4/81 and 5/30
4/81 + 5/30 is 35/162.
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,
5/30 = 5 × 27/30 × 27 = 135/810 - Add the two like fractions:
40/810 + 135/810 = 40 + 135/810 = 175/810 - 175/810 simplified gives 35/162
- So, 4/81 + 5/30 = 35/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81+5/30 4/81+10/30 4/81+5/60 12/81+5/30 4/81+15/30 4/81+5/90 20/81+5/30 4/81+25/30 28/81+5/30 4/81+35/30