Add 12/6 and 21/8
1st number: 2 0/6, 2nd number: 2 5/8
12/6 + 21/8 is 37/8.
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,
12/6 = 12 × 4/6 × 4 = 48/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
48/24 + 63/24 = 48 + 63/24 = 111/24 - 111/24 simplified gives 37/8
- So, 12/6 + 21/8 = 37/8
In mixed form: 45/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6+21/8 12/6+42/8 12/6+21/16 36/6+21/8 12/6+63/8 12/18+21/8 12/6+21/24 60/6+21/8 12/30+21/8 12/6+21/40 84/6+21/8 12/42+21/8 12/6+21/56