Add 2/10 and 4/81
2/10 + 4/81 is 101/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
4/81 = 4 × 10/81 × 10 = 40/810 - Add the two like fractions:
162/810 + 40/810 = 162 + 40/810 = 202/810 - 202/810 simplified gives 101/405
- So, 2/10 + 4/81 = 101/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10+4/81 2/10+8/81 2/20+4/81 6/10+4/81 2/10+12/81 2/30+4/81 2/10+20/81 2/50+4/81 14/10+4/81 2/10+28/81 2/70+4/81