Answers

Add 35/81 and 70/21

1^st number: 35/81, 2^nd number: 3 7/21

35/81 + 70/21 is 305/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 21 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   35/81 = 35 × 7/81 × 7 = 245/567
3. Likewise, for the 2nd fraction, since 21 × 27 = 567,
   70/21 = 70 × 27/21 × 27 = 1890/567
4. Add the two like fractions:
   245/567 + 1890/567 = 245 + 1890/567 = 2135/567
5. 2135/567 simplified gives 305/81
6. So, 35/81 + 70/21 = 305/81
   In mixed form: 362/81

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