Answers

Add 81/21 and 50/6

1^st number: 3 18/21, 2^nd number: 8 2/6

81/21 + 50/6 is 256/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   81/21 = 81 × 2/21 × 2 = 162/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   50/6 = 50 × 7/6 × 7 = 350/42
4. Add the two like fractions:
   162/42 + 350/42 = 162 + 350/42 = 512/42
5. 512/42 simplified gives 256/21
6. So, 81/21 + 50/6 = 256/21
   In mixed form: 124/21

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