Add 81/3 and 12/8
1st number: 27 0/3, 2nd number: 1 4/8
81/3 + 12/8 is 57/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
81/3 = 81 × 8/3 × 8 = 648/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
12/8 = 12 × 3/8 × 3 = 36/24 - Add the two like fractions:
648/24 + 36/24 = 648 + 36/24 = 684/24 - 684/24 simplified gives 57/2
- So, 81/3 + 12/8 = 57/2
In mixed form: 281/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+24/8 81/6+12/8 81/3+12/16 81/3+36/8 81/9+12/8 81/3+12/24 81/3+60/8 81/15+12/8 81/3+12/40 81/3+84/8 81/21+12/8 81/3+12/56