Add 30/6 and 21/8
1st number: 5 0/6, 2nd number: 2 5/8
30/6 + 21/8 is 61/8.
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,
30/6 = 30 × 4/6 × 4 = 120/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
120/24 + 63/24 = 120 + 63/24 = 183/24 - 183/24 simplified gives 61/8
- So, 30/6 + 21/8 = 61/8
In mixed form: 75/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+21/8 30/6+42/8 30/12+21/8 30/6+21/16 90/6+21/8 30/6+63/8 30/18+21/8 30/6+21/24 30/6+21/40 30/42+21/8 30/6+21/56