Add 45/81 and 36/5
1st number: 45/81, 2nd number: 7 1/5
45/81 + 36/5 is 349/45.
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,
45/81 = 45 × 5/81 × 5 = 225/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
36/5 = 36 × 81/5 × 81 = 2916/405 - Add the two like fractions:
225/405 + 2916/405 = 225 + 2916/405 = 3141/405 - 3141/405 simplified gives 349/45
- So, 45/81 + 36/5 = 349/45
In mixed form: 734/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/81+36/5 45/81+72/5 45/81+36/10 45/81+36/15 45/81+36/25 45/81+36/35