Add 45/12 and 7/27
1st number: 3 9/12, 2nd number: 7/27
45/12 + 7/27 is 433/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
45/12 = 45 × 9/12 × 9 = 405/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108 - Add the two like fractions:
405/108 + 28/108 = 405 + 28/108 = 433/108 - So, 45/12 + 7/27 = 433/108
In mixed form: 41/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+7/27 45/12+14/27 45/24+7/27 45/12+7/54 45/12+21/27 45/36+7/27 45/12+7/81 45/12+35/27 45/60+7/27 45/12+49/27 45/84+7/27