Answers

Add 56/63 and 7/72

56/63 + 7/72 is 71/72.

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,
   56/63 = 56 × 8/63 × 8 = 448/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   7/72 = 7 × 7/72 × 7 = 49/504
4. Add the two like fractions:
   448/504 + 49/504 = 448 + 49/504 = 497/504
5. 497/504 simplified gives 71/72
6. So, 56/63 + 7/72 = 71/72

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