Add 56/63 and 45/28
1st number: 56/63, 2nd number: 1 17/28
56/63 + 45/28 is 629/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
224/252 + 405/252 = 224 + 405/252 = 629/252 - So, 56/63 + 45/28 = 629/252
In mixed form: 2125/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+90/28 56/63+45/56 56/63+45/84