Add 63/28 and 18/9
1st number: 2 7/28, 2nd number: 2 0/9
63/28 + 18/9 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
63/28 = 63 × 9/28 × 9 = 567/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Add the two like fractions:
567/252 + 504/252 = 567 + 504/252 = 1071/252 - 1071/252 simplified gives 17/4
- So, 63/28 + 18/9 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28+36/9 63/56+18/9 63/28+54/9 63/84+18/9 63/28+18/27 63/28+90/9 63/28+18/45 63/28+18/63