Add 90/81 and 2/10
1st number: 1 9/81, 2nd number: 2/10
90/81 + 2/10 is 59/45.
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,
90/81 = 90 × 10/81 × 10 = 900/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Add the two like fractions:
900/810 + 162/810 = 900 + 162/810 = 1062/810 - 1062/810 simplified gives 59/45
- So, 90/81 + 2/10 = 59/45
In mixed form: 114/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/81+4/10 90/81+2/20 90/81+6/10 90/81+2/30 90/81+2/50 90/81+14/10 90/81+2/70