Add 27/12 and 40/15
1st number: 2 3/12, 2nd number: 2 10/15
27/12 + 40/15 is 59/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Add the two like fractions:
135/60 + 160/60 = 135 + 160/60 = 295/60 - 295/60 simplified gives 59/12
- So, 27/12 + 40/15 = 59/12
In mixed form: 411/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+40/15 27/12+80/15 27/24+40/15 27/12+40/30 81/12+40/15 27/36+40/15 27/12+40/45 27/60+40/15 27/12+40/75 27/84+40/15