Add 21/6 and 81/8
1st number: 3 3/6, 2nd number: 10 1/8
216 + 818 is 1098.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
216 = 21 × 46 × 4 = 8424 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
818 = 81 × 38 × 3 = 24324 - Add the two like fractions:
8424 + 24324 = 84 + 24324 = 32724 - 327/24 simplified gives 1098
- So, 21/6 + 81/8 = 109/8
In mixed form: 1358
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+81/8 21/12+81/8 21/6+81/16 63/6+81/8 21/18+81/8 21/6+81/24 21/30+81/8 21/6+81/40 21/42+81/8 21/6+81/56