Answers

Add 7/72 and 18/63

7/72 + 18/63 is 193/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   7/72 = 7 × 7/72 × 7 = 49/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   18/63 = 18 × 8/63 × 8 = 144/504
4. Add the two like fractions:
   49/504 + 144/504 = 49 + 144/504 = 193/504
5. So, 7/72 + 18/63 = 193/504

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