Add 40/12 and 28/36
1st number: 3 4/12, 2nd number: 28/36
40/12 + 28/36 is 37/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
28/36 = 28 × 1/36 × 1 = 28/36 - Add the two like fractions:
120/36 + 28/36 = 120 + 28/36 = 148/36 - 148/36 simplified gives 37/9
- So, 40/12 + 28/36 = 37/9
In mixed form: 41/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+28/36 40/12+56/36 40/24+28/36 40/12+28/72 40/12+84/36 40/36+28/36 40/60+28/36 40/84+28/36