Add 42/28 and 56/63
1st number: 1 14/28, 2nd number: 56/63
42/28 + 56/63 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Add the two like fractions:
378/252 + 224/252 = 378 + 224/252 = 602/252 - 602/252 simplified gives 43/18
- So, 42/28 + 56/63 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+56/63 42/56+56/63 42/84+56/63