Answers

Subtract 2/28 from 84/21

1^st number: 4 0/21, 2^nd number: 2/28

84/21 - 2/28 is 55/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   84/21 = 84 × 4/21 × 4 = 336/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   2/28 = 2 × 3/28 × 3 = 6/84
4. Subtract the two like fractions:
   336/84 - 6/84 = 336 - 6/84 = 330/84
5. After reducing the fraction, the answer is 55/14
6. In mixed form: 313/14

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