Add 15/63 and 63/28
1st number: 15/63, 2nd number: 2 7/28
15/63 + 63/28 is 209/84.
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,
15/63 = 15 × 4/63 × 4 = 60/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
63/28 = 63 × 9/28 × 9 = 567/252 - Add the two like fractions:
60/252 + 567/252 = 60 + 567/252 = 627/252 - 627/252 simplified gives 209/84
- So, 15/63 + 63/28 = 209/84
In mixed form: 241/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63+63/28 15/63+63/56 45/63+63/28 15/63+63/84 75/63+63/28