Add 9/18 and 81/54
1st number: 9/18, 2nd number: 1 27/54
9/18 + 81/54 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
9/18 = 9 × 3/18 × 3 = 27/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
81/54 = 81 × 1/54 × 1 = 81/54 - Add the two like fractions:
27/54 + 81/54 = 27 + 81/54 = 108/54 - 108/54 simplified gives 2/1
- So, 9/18 + 81/54 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/36+81/54 27/18+81/54 9/54+81/54 45/18+81/54 9/90+81/54 63/18+81/54