Add 2/21 and 3/36
2/21 + 3/36 is 5/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
2/21 = 2 × 12/21 × 12 = 24/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Add the two like fractions:
24/252 + 21/252 = 24 + 21/252 = 45/252 - 45/252 simplified gives 5/28
- So, 2/21 + 3/36 = 5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+3/36 2/21+6/36 2/42+3/36 2/21+3/72 6/21+3/36 2/21+9/36 2/63+3/36 10/21+3/36 2/21+15/36 14/21+3/36 2/21+21/36