Answers

Add 30/81 and 70/63

1^st number: 30/81, 2^nd number: 1 7/63

30/81 + 70/63 is 40/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 63 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 63 × 9 = 567,
   70/63 = 70 × 9/63 × 9 = 630/567
4. Add the two like fractions:
   210/567 + 630/567 = 210 + 630/567 = 840/567
5. 840/567 simplified gives 40/27
6. So, 30/81 + 70/63 = 40/27
   In mixed form: 113/27

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