Add 4/10 and 6/81
4/10 + 6/81 is 64/135.
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,
4/10 = 4 × 81/10 × 81 = 324/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
6/81 = 6 × 10/81 × 10 = 60/810 - Add the two like fractions:
324/810 + 60/810 = 324 + 60/810 = 384/810 - 384/810 simplified gives 64/135
- So, 4/10 + 6/81 = 64/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+6/81 4/10+12/81 4/20+6/81 12/10+6/81 4/10+18/81 4/30+6/81 20/10+6/81 4/10+30/81 4/50+6/81 28/10+6/81 4/10+42/81 4/70+6/81