Answers

Add 81/84 and 7/27

81/84 + 7/27 is 925/756.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   81/84 = 81 × 9/84 × 9 = 729/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   7/27 = 7 × 28/27 × 28 = 196/756
4. Add the two like fractions:
   729/756 + 196/756 = 729 + 196/756 = 925/756
5. So, 81/84 + 7/27 = 925/756
   In mixed form: 1169/756

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