Add 3/36 and 21/28
3/36 + 21/28 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
21/28 = 21 × 9/28 × 9 = 189/252 - Add the two like fractions:
21/252 + 189/252 = 21 + 189/252 = 210/252 - 210/252 simplified gives 5/6
- So, 3/36 + 21/28 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36+21/28 3/36+42/28 3/72+21/28 3/36+21/56 9/36+21/28 3/36+63/28 3/36+21/84 15/36+21/28 21/36+21/28