Add 81/3 and 70/28
1st number: 27 0/3, 2nd number: 2 14/28
81/3 + 70/28 is 59/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
81/3 = 81 × 28/3 × 28 = 2268/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
70/28 = 70 × 3/28 × 3 = 210/84 - Add the two like fractions:
2268/84 + 210/84 = 2268 + 210/84 = 2478/84 - 2478/84 simplified gives 59/2
- So, 81/3 + 70/28 = 59/2
In mixed form: 291/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+70/28 81/3+70/56 81/9+70/28 81/3+70/84 81/15+70/28 81/21+70/28