Add 81/18 and 2/4
1st number: 4 9/18, 2nd number: 2/4
81/18 + 2/4 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
81/18 = 81 × 2/18 × 2 = 162/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
2/4 = 2 × 9/4 × 9 = 18/36 - Add the two like fractions:
162/36 + 18/36 = 162 + 18/36 = 180/36 - 180/36 simplified gives 5/1
- So, 81/18 + 2/4 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36+2/4 81/18+2/8 81/18+6/4 81/54+2/4 81/18+2/12 81/18+10/4 81/90+2/4 81/18+2/20 81/18+14/4 81/18+2/28