Answers

Subtract 28/21 from 7/3

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

7/3 - 28/21 is 1/1.

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,
   7/3 = 7 × 7/3 × 7 = 49/21
3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
   28/21 = 28 × 1/21 × 1 = 28/21
4. Subtract the two like fractions:
   49/21 - 28/21 = 49 - 28/21 = 21/21
5. After reducing the fraction, the answer is 1/1

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