Add 40/3 and 81/56
1st number: 13 1/3, 2nd number: 1 25/56
40/3 + 81/56 is 2483/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
40/3 = 40 × 56/3 × 56 = 2240/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168 - Add the two like fractions:
2240/168 + 243/168 = 2240 + 243/168 = 2483/168 - So, 40/3 + 81/56 = 2483/168
In mixed form: 14131/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+81/56 40/6+81/56 40/9+81/56 40/15+81/56 40/21+81/56