Add 10/7 and 70/81
1st number: 1 3/7, 2nd number: 70/81
10/7 + 70/81 is 1300/567.
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,
10/7 = 10 × 81/7 × 81 = 810/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
70/81 = 70 × 7/81 × 7 = 490/567 - Add the two like fractions:
810/567 + 490/567 = 810 + 490/567 = 1300/567 - So, 10/7 + 70/81 = 1300/567
In mixed form: 2166/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7+70/81 10/14+70/81 30/7+70/81 10/21+70/81 50/7+70/81 10/35+70/81 70/7+70/81 10/49+70/81