Add 75/10 and 6/81
1st number: 7 5/10, 2nd number: 6/81
75/10 + 6/81 is 409/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
75/10 = 75 × 81/10 × 81 = 6075/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
6/81 = 6 × 10/81 × 10 = 60/810 - Add the two like fractions:
6075/810 + 60/810 = 6075 + 60/810 = 6135/810 - 6135/810 simplified gives 409/54
- So, 75/10 + 6/81 = 409/54
In mixed form: 731/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+12/81 75/20+6/81 75/10+18/81 75/30+6/81 75/10+30/81 75/50+6/81 75/10+42/81 75/70+6/81