Answers

Add 48/63 and 21/48

48/63 + 21/48 is 403/336.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 48 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   48/63 = 48 × 16/63 × 16 = 768/1008
3. Likewise, for the 2nd fraction, since 48 × 21 = 1008,
   21/48 = 21 × 21/48 × 21 = 441/1008
4. Add the two like fractions:
   768/1008 + 441/1008 = 768 + 441/1008 = 1209/1008
5. 1209/1008 simplified gives 403/336
6. So, 48/63 + 21/48 = 403/336
   In mixed form: 167/336

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