Answers

Add 9/63 and 54/72

9/63 + 54/72 is 25/28.

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,
   9/63 = 9 × 8/63 × 8 = 72/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
4. Add the two like fractions:
   72/504 + 378/504 = 72 + 378/504 = 450/504
5. 450/504 simplified gives 25/28
6. So, 9/63 + 54/72 = 25/28

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