Add 10/81 and 5/7
10/81 + 5/7 is 475/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
10/81 = 10 × 7/81 × 7 = 70/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
5/7 = 5 × 81/7 × 81 = 405/567 - Add the two like fractions:
70/567 + 405/567 = 70 + 405/567 = 475/567 - So, 10/81 + 5/7 = 475/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/81+5/7 10/81+10/7 10/81+5/14 30/81+5/7 10/81+15/7 10/81+5/21 50/81+5/7 10/81+25/7 10/81+5/35 70/81+5/7 10/81+35/7 10/81+5/49