Add 90/81 and 1/5
1st number: 1 9/81, 2nd number: 1/5
90/81 + 1/5 is 59/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
90/81 = 90 × 5/81 × 5 = 450/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
1/5 = 1 × 81/5 × 81 = 81/405 - Add the two like fractions:
450/405 + 81/405 = 450 + 81/405 = 531/405 - 531/405 simplified gives 59/45
- So, 90/81 + 1/5 = 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+2/5 90/81+1/10 90/81+3/5 90/81+1/15 90/81+1/25 90/81+7/5 90/81+1/35