Add 10/5 and 63/81
1st number: 2 0/5, 2nd number: 63/81
10/5 + 63/81 is 25/9.
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,
10/5 = 10 × 81/5 × 81 = 810/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
63/81 = 63 × 5/81 × 5 = 315/405 - Add the two like fractions:
810/405 + 315/405 = 810 + 315/405 = 1125/405 - 1125/405 simplified gives 25/9
- So, 10/5 + 63/81 = 25/9
In mixed form: 27/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+63/81 30/5+63/81 10/15+63/81 50/5+63/81 10/25+63/81 70/5+63/81 10/35+63/81