Add 10/30 and 2/81
10/30 + 2/81 is 29/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
10/30 = 10 × 27/30 × 27 = 270/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
2/81 = 2 × 10/81 × 10 = 20/810 - Add the two like fractions:
270/810 + 20/810 = 270 + 20/810 = 290/810 - 290/810 simplified gives 29/81
- So, 10/30 + 2/81 = 29/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+2/81 10/30+4/81 10/60+2/81 10/30+6/81 10/90+2/81 50/30+2/81 10/30+10/81 70/30+2/81 10/30+14/81