Add 3/81 and 6/70
3/81 + 6/70 is 116/945.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
3/81 = 3 × 70/81 × 70 = 210/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
6/70 = 6 × 81/70 × 81 = 486/5670 - Add the two like fractions:
210/5670 + 486/5670 = 210 + 486/5670 = 696/5670 - 696/5670 simplified gives 116/945
- So, 3/81 + 6/70 = 116/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/81+6/70 3/81+12/70 9/81+6/70 3/81+18/70 15/81+6/70 3/81+30/70 21/81+6/70 3/81+42/70