Add 18/8 and 63/16
1st number: 2 2/8, 2nd number: 3 15/16
18/8 + 63/16 is 99/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
18/8 = 18 × 2/8 × 2 = 36/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
63/16 = 63 × 1/16 × 1 = 63/16 - Add the two like fractions:
36/16 + 63/16 = 36 + 63/16 = 99/16 - So, 18/8 + 63/16 = 99/16
In mixed form: 63/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+63/16 18/16+63/16 18/8+63/32 54/8+63/16 18/24+63/16 18/8+63/48 90/8+63/16 18/40+63/16 18/8+63/80 18/56+63/16