Add 3/48 and 63/21
1st number: 3/48, 2nd number: 3 0/21
3/48 + 63/21 is 49/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
3/48 = 3 × 7/48 × 7 = 21/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
63/21 = 63 × 16/21 × 16 = 1008/336 - Add the two like fractions:
21/336 + 1008/336 = 21 + 1008/336 = 1029/336 - 1029/336 simplified gives 49/16
- So, 3/48 + 63/21 = 49/16
In mixed form: 31/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/48+63/21 3/96+63/21 3/48+63/42 9/48+63/21 15/48+63/21 21/48+63/21