Add 20/81 and 14/10
1st number: 20/81, 2nd number: 1 4/10
20/81 + 14/10 is 667/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
20/81 = 20 × 10/81 × 10 = 200/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
14/10 = 14 × 81/10 × 81 = 1134/810 - Add the two like fractions:
200/810 + 1134/810 = 200 + 1134/810 = 1334/810 - 1334/810 simplified gives 667/405
- So, 20/81 + 14/10 = 667/405
In mixed form: 1262/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/81+14/10 20/81+28/10 20/81+14/20 60/81+14/10 20/81+42/10 20/81+14/30 20/81+70/10 20/81+14/50 20/81+98/10 20/81+14/70