Answers

Add 7/63 and 42/72

7/63 + 42/72 is 25/36.

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,
   7/63 = 7 × 8/63 × 8 = 56/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   42/72 = 42 × 7/72 × 7 = 294/504
4. Add the two like fractions:
   56/504 + 294/504 = 56 + 294/504 = 350/504
5. 350/504 simplified gives 25/36
6. So, 7/63 + 42/72 = 25/36

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