Add 1/2 and 12/81
1/2 + 12/81 is 35/54.
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,
1/2 = 1 × 81/2 × 81 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
12/81 = 12 × 2/81 × 2 = 24/162 - Add the two like fractions:
81/162 + 24/162 = 81 + 24/162 = 105/162 - 105/162 simplified gives 35/54
- So, 1/2 + 12/81 = 35/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2+24/81 1/4+12/81 3/2+12/81 1/2+36/81 1/6+12/81 5/2+12/81 1/2+60/81 1/10+12/81 7/2+12/81 1/2+84/81 1/14+12/81