Add 81/28 and 2/3
1st number: 2 25/28, 2nd number: 2/3
81/28 + 2/3 is 299/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
2/3 = 2 × 28/3 × 28 = 56/84 - Add the two like fractions:
243/84 + 56/84 = 243 + 56/84 = 299/84 - So, 81/28 + 2/3 = 299/84
In mixed form: 347/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+4/3 81/56+2/3 81/28+2/6 81/28+6/3 81/84+2/3 81/28+2/9 81/28+10/3 81/28+2/15 81/28+14/3 81/28+2/21