Add 75/70 and 14/81
1st number: 1 5/70, 2nd number: 14/81
75/70 + 14/81 is 1411/1134.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
75/70 = 75 × 81/70 × 81 = 6075/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
14/81 = 14 × 70/81 × 70 = 980/5670 - Add the two like fractions:
6075/5670 + 980/5670 = 6075 + 980/5670 = 7055/5670 - 7055/5670 simplified gives 1411/1134
- So, 75/70 + 14/81 = 1411/1134
In mixed form: 1277/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+28/81 75/70+42/81 75/70+70/81 75/70+98/81