Add 81/28 and 10/81
1st number: 2 25/28, 2nd number: 10/81
81/28 + 10/81 is 6841/2268.
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,
81/28 = 81 × 81/28 × 81 = 6561/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
10/81 = 10 × 28/81 × 28 = 280/2268 - Add the two like fractions:
6561/2268 + 280/2268 = 6561 + 280/2268 = 6841/2268 - So, 81/28 + 10/81 = 6841/2268
In mixed form: 337/2268
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+20/81 81/56+10/81 81/28+30/81 81/84+10/81 81/28+50/81 81/28+70/81