Add 63/36 and 21/56
1st number: 1 27/36, 2nd number: 21/56
63/36 + 21/56 is 17/8.
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,
63/36 = 63 × 14/36 × 14 = 882/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
882/504 + 189/504 = 882 + 189/504 = 1071/504 - 1071/504 simplified gives 17/8
- So, 63/36 + 21/56 = 17/8
In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36+42/56 63/72+21/56 63/36+63/56