Add 45/5 and 56/81
1st number: 9 0/5, 2nd number: 56/81
45/5 + 56/81 is 785/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
45/5 = 45 × 81/5 × 81 = 3645/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
56/81 = 56 × 5/81 × 5 = 280/405 - Add the two like fractions:
3645/405 + 280/405 = 3645 + 280/405 = 3925/405 - 3925/405 simplified gives 785/81
- So, 45/5 + 56/81 = 785/81
In mixed form: 956/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+56/81 45/10+56/81 45/15+56/81 45/25+56/81 45/35+56/81