Answers

Add 8/84 and 81/72

1^st number: 8/84, 2^nd number: 1 9/72

8/84 + 81/72 is 205/168.

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,
   8/84 = 8 × 6/84 × 6 = 48/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   81/72 = 81 × 7/72 × 7 = 567/504
4. Add the two like fractions:
   48/504 + 567/504 = 48 + 567/504 = 615/504
5. 615/504 simplified gives 205/168
6. So, 8/84 + 81/72 = 205/168
   In mixed form: 137/168

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