Answers

Add 3/72 and 80/63

1^st number: 3/72, 2^nd number: 1 17/63

3/72 + 80/63 is 661/504.

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,
   3/72 = 3 × 7/72 × 7 = 21/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   80/63 = 80 × 8/63 × 8 = 640/504
4. Add the two like fractions:
   21/504 + 640/504 = 21 + 640/504 = 661/504
5. So, 3/72 + 80/63 = 661/504
   In mixed form: 1157/504

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