Add 98/12 and 21/8
1st number: 8 2/12, 2nd number: 2 5/8
98/12 + 21/8 is 259/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
98/12 = 98 × 2/12 × 2 = 196/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Add the two like fractions:
196/24 + 63/24 = 196 + 63/24 = 259/24 - So, 98/12 + 21/8 = 259/24
In mixed form: 1019/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+42/8 98/24+21/8 98/12+21/16 98/12+63/8 98/36+21/8 98/12+21/24 98/60+21/8 98/12+21/40 98/84+21/8 98/12+21/56