Add 12/36 and 7/72
12/36 + 7/72 is 31/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
12/36 = 12 × 2/36 × 2 = 24/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
24/72 + 7/72 = 24 + 7/72 = 31/72 - So, 12/36 + 7/72 = 31/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+7/72 12/36+14/72 12/72+7/72 12/36+21/72 60/36+7/72 12/36+35/72 84/36+7/72 12/36+49/72