Add 8/14 and 70/81
8/14 + 70/81 is 814/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
8/14 = 8 × 81/14 × 81 = 648/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
70/81 = 70 × 14/81 × 14 = 980/1134 - Add the two like fractions:
648/1134 + 980/1134 = 648 + 980/1134 = 1628/1134 - 1628/1134 simplified gives 814/567
- So, 8/14 + 70/81 = 814/567
In mixed form: 1247/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+70/81 8/28+70/81 24/14+70/81 8/42+70/81 40/14+70/81 8/70+70/81 56/14+70/81 8/98+70/81