Add 18/8 and 63/28
1st number: 2 2/8, 2nd number: 2 7/28
18/8 + 63/28 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
63/28 = 63 × 2/28 × 2 = 126/56 - Add the two like fractions:
126/56 + 126/56 = 126 + 126/56 = 252/56 - 252/56 simplified gives 9/2
- So, 18/8 + 63/28 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+63/28 18/16+63/28 18/8+63/56 54/8+63/28 18/24+63/28 18/8+63/84 90/8+63/28 18/40+63/28 18/56+63/28