Add 18/28 and 63/8
1st number: 18/28, 2nd number: 7 7/8
18/28 + 63/8 is 477/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
63/8 = 63 × 7/8 × 7 = 441/56 - Add the two like fractions:
36/56 + 441/56 = 36 + 441/56 = 477/56 - So, 18/28 + 63/8 = 477/56
In mixed form: 829/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+63/8 18/56+63/8 18/28+63/16 54/28+63/8 18/84+63/8 18/28+63/24 90/28+63/8 18/28+63/40 18/28+63/56