Add 63/18 and 14/8
1st number: 3 9/18, 2nd number: 1 6/8
63/18 + 14/8 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
63/18 = 63 × 4/18 × 4 = 252/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
14/8 = 14 × 9/8 × 9 = 126/72 - Add the two like fractions:
252/72 + 126/72 = 252 + 126/72 = 378/72 - 378/72 simplified gives 21/4
- So, 63/18 + 14/8 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+28/8 63/36+14/8 63/18+14/16 63/18+42/8 63/54+14/8 63/18+14/24 63/18+70/8 63/90+14/8 63/18+14/40 63/18+98/8 63/18+14/56