Add 49/12 and 7/81
1st number: 4 1/12, 2nd number: 7/81
49/12 + 7/81 is 1351/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
49/12 = 49 × 27/12 × 27 = 1323/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
7/81 = 7 × 4/81 × 4 = 28/324 - Add the two like fractions:
1323/324 + 28/324 = 1323 + 28/324 = 1351/324 - So, 49/12 + 7/81 = 1351/324
In mixed form: 455/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+7/81 49/12+14/81 49/24+7/81 49/12+21/81 49/36+7/81 49/12+35/81 49/60+7/81 49/12+49/81 49/84+7/81