Add 25/10 and 98/81
1st number: 2 5/10, 2nd number: 1 17/81
25/10 + 98/81 is 601/162.
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,
25/10 = 25 × 81/10 × 81 = 2025/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
98/81 = 98 × 10/81 × 10 = 980/810 - Add the two like fractions:
2025/810 + 980/810 = 2025 + 980/810 = 3005/810 - 3005/810 simplified gives 601/162
- So, 25/10 + 98/81 = 601/162
In mixed form: 3115/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10+98/81 25/20+98/81 75/10+98/81 25/30+98/81 25/50+98/81 25/70+98/81