Add 35/7 and 70/81
1st number: 5 0/7, 2nd number: 70/81
35/7 + 70/81 is 475/81.
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,
35/7 = 35 × 81/7 × 81 = 2835/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
70/81 = 70 × 7/81 × 7 = 490/567 - Add the two like fractions:
2835/567 + 490/567 = 2835 + 490/567 = 3325/567 - 3325/567 simplified gives 475/81
- So, 35/7 + 70/81 = 475/81
In mixed form: 570/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7+70/81 35/14+70/81 35/21+70/81 35/49+70/81