Add 28/36 and 7/72
28/36 + 7/72 is 7/8.
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,
28/36 = 28 × 2/36 × 2 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
56/72 + 7/72 = 56 + 7/72 = 63/72 - 63/72 simplified gives 7/8
- So, 28/36 + 7/72 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+7/72 28/36+14/72 28/72+7/72 84/36+7/72 28/36+21/72 28/36+35/72 28/36+49/72