Add 1/36 and 21/84
1/36 + 21/84 is 5/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
1/36 = 1 × 7/36 × 7 = 7/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
21/84 = 21 × 3/84 × 3 = 63/252 - Add the two like fractions:
7/252 + 63/252 = 7 + 63/252 = 70/252 - 70/252 simplified gives 5/18
- So, 1/36 + 21/84 = 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36+21/84 1/36+42/84 1/72+21/84 3/36+21/84 1/36+63/84 5/36+21/84 7/36+21/84