Add 1/36 and 4/21
1/36 + 4/21 is 55/252.
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,
1/36 = 1 × 7/36 × 7 = 7/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
4/21 = 4 × 12/21 × 12 = 48/252 - Add the two like fractions:
7/252 + 48/252 = 7 + 48/252 = 55/252 - So, 1/36 + 4/21 = 55/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36+4/21 1/36+8/21 1/72+4/21 1/36+4/42 3/36+4/21 1/36+12/21 1/36+4/63 5/36+4/21 1/36+20/21 7/36+4/21 1/36+28/21