Add 1/84 and 56/81
1/84 + 56/81 is 1595/2268.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
1/84 = 1 × 27/84 × 27 = 27/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
56/81 = 56 × 28/81 × 28 = 1568/2268 - Add the two like fractions:
27/2268 + 1568/2268 = 27 + 1568/2268 = 1595/2268 - So, 1/84 + 56/81 = 1595/2268
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+56/81 3/84+56/81 5/84+56/81 7/84+56/81