Add 20/18 and 48/81
1st number: 1 2/18, 2nd number: 48/81
20/18 + 48/81 is 46/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
20/18 = 20 × 9/18 × 9 = 180/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
48/81 = 48 × 2/81 × 2 = 96/162 - Add the two like fractions:
180/162 + 96/162 = 180 + 96/162 = 276/162 - 276/162 simplified gives 46/27
- So, 20/18 + 48/81 = 46/27
In mixed form: 119/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+48/81 20/18+96/81 20/36+48/81 60/18+48/81 20/54+48/81 20/90+48/81