Add 9/14 and 15/81
9/14 + 15/81 is 313/378.
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,
9/14 = 9 × 81/14 × 81 = 729/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
15/81 = 15 × 14/81 × 14 = 210/1134 - Add the two like fractions:
729/1134 + 210/1134 = 729 + 210/1134 = 939/1134 - 939/1134 simplified gives 313/378
- So, 9/14 + 15/81 = 313/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+15/81 9/14+30/81 9/28+15/81 27/14+15/81 9/14+45/81 9/42+15/81 45/14+15/81 9/14+75/81 9/70+15/81 63/14+15/81 9/98+15/81