Add 12/36 and 7/15
12/36 + 7/15 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
7/15 = 7 × 12/15 × 12 = 84/180 - Add the two like fractions:
60/180 + 84/180 = 60 + 84/180 = 144/180 - 144/180 simplified gives 4/5
- So, 12/36 + 7/15 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+7/15 12/36+14/15 12/72+7/15 12/36+7/30 12/36+21/15 12/36+7/45 60/36+7/15 12/36+35/15 12/36+7/75 84/36+7/15 12/36+49/15