Add 70/10 and 8/81
1st number: 7 0/10, 2nd number: 8/81
70/10 + 8/81 is 575/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
70/10 = 70 × 81/10 × 81 = 5670/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
8/81 = 8 × 10/81 × 10 = 80/810 - Add the two like fractions:
5670/810 + 80/810 = 5670 + 80/810 = 5750/810 - 5750/810 simplified gives 575/81
- So, 70/10 + 8/81 = 575/81
In mixed form: 78/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+16/81 70/20+8/81 70/10+24/81 70/30+8/81 70/10+40/81 70/50+8/81 70/10+56/81