Add 3/2 and 56/81
1st number: 1 1/2, 2nd number: 56/81
3/2 + 56/81 is 355/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
3/2 = 3 × 81/2 × 81 = 243/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
56/81 = 56 × 2/81 × 2 = 112/162 - Add the two like fractions:
243/162 + 112/162 = 243 + 112/162 = 355/162 - So, 3/2 + 56/81 = 355/162
In mixed form: 231/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+56/81 3/4+56/81 9/2+56/81 3/6+56/81 15/2+56/81 3/10+56/81 21/2+56/81 3/14+56/81