Add 8/2 and 81/18
1st number: 4 0/2, 2nd number: 4 9/18
8/2 + 81/18 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
8/2 = 8 × 9/2 × 9 = 72/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
81/18 = 81 × 1/18 × 1 = 81/18 - Add the two like fractions:
72/18 + 81/18 = 72 + 81/18 = 153/18 - 153/18 simplified gives 17/2
- So, 8/2 + 81/18 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+81/18 8/4+81/18 8/2+81/36 24/2+81/18 8/6+81/18 8/2+81/54 40/2+81/18 8/10+81/18 8/2+81/90 56/2+81/18 8/14+81/18