Add 1/84 and 5/81
1/84 + 5/81 is 167/2268.
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,
5/81 = 5 × 28/81 × 28 = 140/2268 - Add the two like fractions:
27/2268 + 140/2268 = 27 + 140/2268 = 167/2268 - So, 1/84 + 5/81 = 167/2268
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+5/81 1/84+10/81 3/84+5/81 1/84+15/81 5/84+5/81 1/84+25/81 7/84+5/81 1/84+35/81