Add 27/12 and 30/45
1st number: 2 3/12, 2nd number: 30/45
27/12 + 30/45 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
27/12 = 27 × 15/12 × 15 = 405/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
30/45 = 30 × 4/45 × 4 = 120/180 - Add the two like fractions:
405/180 + 120/180 = 405 + 120/180 = 525/180 - 525/180 simplified gives 35/12
- So, 27/12 + 30/45 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+30/45 27/12+60/45 27/24+30/45 27/12+30/90 81/12+30/45 27/12+90/45 27/36+30/45 27/60+30/45 27/84+30/45