Add 28/18 and 63/56
1st number: 1 10/18, 2nd number: 1 7/56
28/18 + 63/56 is 193/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
28/18 = 28 × 28/18 × 28 = 784/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
63/56 = 63 × 9/56 × 9 = 567/504 - Add the two like fractions:
784/504 + 567/504 = 784 + 567/504 = 1351/504 - 1351/504 simplified gives 193/72
- So, 28/18 + 63/56 = 193/72
In mixed form: 249/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+63/56 28/36+63/56 84/18+63/56 28/54+63/56 28/90+63/56