Add 72/6 and 15/81
1st number: 12 0/6, 2nd number: 15/81
72/6 + 15/81 is 329/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
72/6 = 72 × 27/6 × 27 = 1944/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
15/81 = 15 × 2/81 × 2 = 30/162 - Add the two like fractions:
1944/162 + 30/162 = 1944 + 30/162 = 1974/162 - 1974/162 simplified gives 329/27
- So, 72/6 + 15/81 = 329/27
In mixed form: 125/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+30/81 72/12+15/81 72/6+45/81 72/18+15/81 72/6+75/81 72/30+15/81 72/42+15/81