Answers

Add 10/72 and 80/28

1^st number: 10/72, 2^nd number: 2 24/28

10/72 + 80/28 is 755/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   10/72 = 10 × 7/72 × 7 = 70/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   80/28 = 80 × 18/28 × 18 = 1440/504
4. Add the two like fractions:
   70/504 + 1440/504 = 70 + 1440/504 = 1510/504
5. 1510/504 simplified gives 755/252
6. So, 10/72 + 80/28 = 755/252
   In mixed form: 2251/252

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