Add 35/12 and 21/54
1st number: 2 11/12, 2nd number: 21/54
35/12 + 21/54 is 119/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
35/12 = 35 × 9/12 × 9 = 315/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
21/54 = 21 × 2/54 × 2 = 42/108 - Add the two like fractions:
315/108 + 42/108 = 315 + 42/108 = 357/108 - 357/108 simplified gives 119/36
- So, 35/12 + 21/54 = 119/36
In mixed form: 311/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+21/54 35/12+42/54 35/24+21/54 35/12+63/54 35/36+21/54 35/60+21/54 35/84+21/54