Add 36/90 and 28/12
1st number: 36/90, 2nd number: 2 4/12
36/90 + 28/12 is 41/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
36/90 = 36 × 2/90 × 2 = 72/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
28/12 = 28 × 15/12 × 15 = 420/180 - Add the two like fractions:
72/180 + 420/180 = 72 + 420/180 = 492/180 - 492/180 simplified gives 41/15
- So, 36/90 + 28/12 = 41/15
In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+28/12 36/90+56/12 36/90+28/24 36/90+84/12 36/90+28/36 36/90+28/60 36/90+28/84