Answers

Add 16/63 and 49/72

16/63 + 49/72 is 157/168.

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,
   16/63 = 16 × 8/63 × 8 = 128/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   49/72 = 49 × 7/72 × 7 = 343/504
4. Add the two like fractions:
   128/504 + 343/504 = 128 + 343/504 = 471/504
5. 471/504 simplified gives 157/168
6. So, 16/63 + 49/72 = 157/168

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