Add 1/3 and 45/81
1/3 + 45/81 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
1/3 = 1 × 27/3 × 27 = 27/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
45/81 = 45 × 1/81 × 1 = 45/81 - Add the two like fractions:
27/81 + 45/81 = 27 + 45/81 = 72/81 - 72/81 simplified gives 8/9
- So, 1/3 + 45/81 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+45/81 1/3+90/81 1/6+45/81 1/9+45/81 5/3+45/81 1/15+45/81 7/3+45/81 1/21+45/81