Add 9/14 and 45/81
9/14 + 45/81 is 151/126.
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,
45/81 = 45 × 14/81 × 14 = 630/1134 - Add the two like fractions:
729/1134 + 630/1134 = 729 + 630/1134 = 1359/1134 - 1359/1134 simplified gives 151/126
- So, 9/14 + 45/81 = 151/126
In mixed form: 125/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+45/81 9/14+90/81 9/28+45/81 27/14+45/81 9/42+45/81 45/14+45/81 9/70+45/81 63/14+45/81 9/98+45/81