Add 63/48 and 21/7
1st number: 1 15/48, 2nd number: 3 0/7
63/48 + 21/7 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
63/48 = 63 × 7/48 × 7 = 441/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
21/7 = 21 × 48/7 × 48 = 1008/336 - Add the two like fractions:
441/336 + 1008/336 = 441 + 1008/336 = 1449/336 - 1449/336 simplified gives 69/16
- So, 63/48 + 21/7 = 69/16
In mixed form: 45/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/48+42/7 63/96+21/7 63/48+21/14 63/48+63/7 63/48+21/35 63/48+21/49