Add 70/5 and 2/81
1st number: 14 0/5, 2nd number: 2/81
70/5 + 2/81 is 1136/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
70/5 = 70 × 81/5 × 81 = 5670/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
2/81 = 2 × 5/81 × 5 = 10/405 - Add the two like fractions:
5670/405 + 10/405 = 5670 + 10/405 = 5680/405 - 5680/405 simplified gives 1136/81
- So, 70/5 + 2/81 = 1136/81
In mixed form: 142/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5+4/81 70/10+2/81 70/5+6/81 70/15+2/81 70/5+10/81 70/25+2/81 70/5+14/81 70/35+2/81