Add 84/30 and 24/81
1st number: 2 24/30, 2nd number: 24/81
84/30 + 24/81 is 418/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
84/30 = 84 × 27/30 × 27 = 2268/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
24/81 = 24 × 10/81 × 10 = 240/810 - Add the two like fractions:
2268/810 + 240/810 = 2268 + 240/810 = 2508/810 - 2508/810 simplified gives 418/135
- So, 84/30 + 24/81 = 418/135
In mixed form: 313/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+48/81 84/60+24/81 84/30+72/81 84/90+24/81