Add 12/2 and 4/81
1st number: 6 0/2, 2nd number: 4/81
12/2 + 4/81 is 490/81.
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,
12/2 = 12 × 81/2 × 81 = 972/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
4/81 = 4 × 2/81 × 2 = 8/162 - Add the two like fractions:
972/162 + 8/162 = 972 + 8/162 = 980/162 - 980/162 simplified gives 490/81
- So, 12/2 + 4/81 = 490/81
In mixed form: 64/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2+4/81 12/2+8/81 12/4+4/81 36/2+4/81 12/2+12/81 12/6+4/81 60/2+4/81 12/2+20/81 12/10+4/81 84/2+4/81 12/2+28/81 12/14+4/81