Add 35/36 and 6/21
35/36 + 6/21 is 317/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
35/36 = 35 × 7/36 × 7 = 245/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
6/21 = 6 × 12/21 × 12 = 72/252 - Add the two like fractions:
245/252 + 72/252 = 245 + 72/252 = 317/252 - So, 35/36 + 6/21 = 317/252
In mixed form: 165/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+6/21 35/36+12/21 35/72+6/21 35/36+6/42 35/36+18/21 35/36+6/63 35/36+30/21 35/36+42/21