Add 18/16 and 63/9
1st number: 1 2/16, 2nd number: 7 0/9
18/16 + 63/9 is 65/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
63/9 = 63 × 16/9 × 16 = 1008/144 - Add the two like fractions:
162/144 + 1008/144 = 162 + 1008/144 = 1170/144 - 1170/144 simplified gives 65/8
- So, 18/16 + 63/9 = 65/8
In mixed form: 81/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+63/9 18/32+63/9 18/16+63/18 54/16+63/9 18/48+63/9 18/16+63/27 90/16+63/9 18/80+63/9 18/16+63/45