Answers

Subtract 50/21 from 81/3

1^st number: 27 0/3, 2^nd number: 2 8/21

81/3 - 50/21 is 517/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 21 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 3 × 7 = 21,
   81/3 = 81 × 7/3 × 7 = 567/21
3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
   50/21 = 50 × 1/21 × 1 = 50/21
4. Subtract the two like fractions:
   567/21 - 50/21 = 567 - 50/21 = 517/21
5. In mixed form: 2413/21

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