Add 21/36 and 2/56
21/36 + 2/56 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
21/36 = 21 × 14/36 × 14 = 294/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Add the two like fractions:
294/504 + 18/504 = 294 + 18/504 = 312/504 - 312/504 simplified gives 13/21
- So, 21/36 + 2/56 = 13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36+2/56 21/36+4/56 21/72+2/56 63/36+2/56 21/36+6/56 21/36+10/56 21/36+14/56