Answers

Add 24/84 and 81/72

1^st number: 24/84, 2^nd number: 1 9/72

24/84 + 81/72 is 79/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   24/84 = 24 × 6/84 × 6 = 144/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   81/72 = 81 × 7/72 × 7 = 567/504
4. Add the two like fractions:
   144/504 + 567/504 = 144 + 567/504 = 711/504
5. 711/504 simplified gives 79/56
6. So, 24/84 + 81/72 = 79/56
   In mixed form: 123/56

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