Answers

Add 48/63 and 15/72

48/63 + 15/72 is 163/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   48/63 = 48 × 8/63 × 8 = 384/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   15/72 = 15 × 7/72 × 7 = 105/504
4. Add the two like fractions:
   384/504 + 105/504 = 384 + 105/504 = 489/504
5. 489/504 simplified gives 163/168
6. So, 48/63 + 15/72 = 163/168

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