Add 3/9 and 63/28
1st number: 3/9, 2nd number: 2 7/28
3/9 + 63/28 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
3/9 = 3 × 28/9 × 28 = 84/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
63/28 = 63 × 9/28 × 9 = 567/252 - Add the two like fractions:
84/252 + 567/252 = 84 + 567/252 = 651/252 - 651/252 simplified gives 31/12
- So, 3/9 + 63/28 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+63/28 3/18+63/28 3/9+63/56 3/27+63/28 3/9+63/84 15/9+63/28 3/45+63/28 21/9+63/28 3/63+63/28