Add 63/84 and 63/16
1st number: 63/84, 2nd number: 3 15/16
63/84 + 63/16 is 75/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
63/84 = 63 × 4/84 × 4 = 252/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
63/16 = 63 × 21/16 × 21 = 1323/336 - Add the two like fractions:
252/336 + 1323/336 = 252 + 1323/336 = 1575/336 - 1575/336 simplified gives 75/16
- So, 63/84 + 63/16 = 75/16
In mixed form: 411/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+63/32 63/84+63/48 63/84+63/80