Add 25/7 and 70/81
1st number: 3 4/7, 2nd number: 70/81
25/7 + 70/81 is 2515/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
25/7 = 25 × 81/7 × 81 = 2025/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
70/81 = 70 × 7/81 × 7 = 490/567 - Add the two like fractions:
2025/567 + 490/567 = 2025 + 490/567 = 2515/567 - So, 25/7 + 70/81 = 2515/567
In mixed form: 4247/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+70/81 25/14+70/81 75/7+70/81 25/21+70/81 25/35+70/81 25/49+70/81