Add 8/28 and 6/81
8/28 + 6/81 is 68/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
8/28 = 8 × 81/28 × 81 = 648/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
6/81 = 6 × 28/81 × 28 = 168/2268 - Add the two like fractions:
648/2268 + 168/2268 = 648 + 168/2268 = 816/2268 - 816/2268 simplified gives 68/189
- So, 8/28 + 6/81 = 68/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+6/81 8/28+12/81 8/56+6/81 24/28+6/81 8/28+18/81 8/84+6/81 40/28+6/81 8/28+30/81 56/28+6/81 8/28+42/81