Answers

Add 30/81 and 6/7

30/81 + 6/7 is 232/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 7 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   30/81 = 30 × 7/81 × 7 = 210/567
3. Likewise, for the 2nd fraction, since 7 × 81 = 567,
   6/7 = 6 × 81/7 × 81 = 486/567
4. Add the two like fractions:
   210/567 + 486/567 = 210 + 486/567 = 696/567
5. 696/567 simplified gives 232/189
6. So, 30/81 + 6/7 = 232/189
   In mixed form: 143/189

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