Add 5/7 and 35/81
5/7 + 35/81 is 650/567.
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,
5/7 = 5 × 81/7 × 81 = 405/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
35/81 = 35 × 7/81 × 7 = 245/567 - Add the two like fractions:
405/567 + 245/567 = 405 + 245/567 = 650/567 - So, 5/7 + 35/81 = 650/567
In mixed form: 183/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+35/81 5/7+70/81 5/14+35/81 15/7+35/81 5/21+35/81 25/7+35/81 5/35+35/81 35/7+35/81 5/49+35/81