Add 10/4 and 15/81
1st number: 2 2/4, 2nd number: 15/81
10/4 + 15/81 is 145/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
10/4 = 10 × 81/4 × 81 = 810/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
15/81 = 15 × 4/81 × 4 = 60/324 - Add the two like fractions:
810/324 + 60/324 = 810 + 60/324 = 870/324 - 870/324 simplified gives 145/54
- So, 10/4 + 15/81 = 145/54
In mixed form: 237/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4+15/81 10/4+30/81 10/8+15/81 30/4+15/81 10/4+45/81 10/12+15/81 50/4+15/81 10/4+75/81 10/20+15/81 70/4+15/81 10/28+15/81