Add 21/8 and 98/12
1st number: 2 5/8, 2nd number: 8 2/12
21/8 + 98/12 is 259/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
98/12 = 98 × 2/12 × 2 = 196/24 - Add the two like fractions:
63/24 + 196/24 = 63 + 196/24 = 259/24 - So, 21/8 + 98/12 = 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: 42/8+98/12 21/16+98/12 21/8+98/24 63/8+98/12 21/24+98/12 21/8+98/36 21/40+98/12 21/8+98/60 21/56+98/12 21/8+98/84