Add 70/7 and 10/81
1st number: 10 0/7, 2nd number: 10/81
70/7 + 10/81 is 820/81.
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,
70/7 = 70 × 81/7 × 81 = 5670/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
10/81 = 10 × 7/81 × 7 = 70/567 - Add the two like fractions:
5670/567 + 70/567 = 5670 + 70/567 = 5740/567 - 5740/567 simplified gives 820/81
- So, 70/7 + 10/81 = 820/81
In mixed form: 1010/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7+20/81 70/14+10/81 70/7+30/81 70/21+10/81 70/7+50/81 70/35+10/81 70/7+70/81 70/49+10/81