Answers

Add 3/4 and 56/81

3/4 + 56/81 is 467/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   3/4 = 3 × 81/4 × 81 = 243/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   56/81 = 56 × 4/81 × 4 = 224/324
4. Add the two like fractions:
   243/324 + 224/324 = 243 + 224/324 = 467/324
5. So, 3/4 + 56/81 = 467/324
   In mixed form: 1143/324

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