Add 63/18 and 18/16
1st number: 3 9/18, 2nd number: 1 2/16
63/18 + 18/16 is 37/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
63/18 = 63 × 8/18 × 8 = 504/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Add the two like fractions:
504/144 + 162/144 = 504 + 162/144 = 666/144 - 666/144 simplified gives 37/8
- So, 63/18 + 18/16 = 37/8
In mixed form: 45/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+36/16 63/36+18/16 63/18+18/32 63/18+54/16 63/54+18/16 63/18+18/48 63/18+90/16 63/90+18/16 63/18+18/80