Answers

Subtract 63/84 from 84/28

1^st number: 3 0/28, 2^nd number: 63/84

84/28 - 63/84 is 9/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   63/84 = 63 × 1/84 × 1 = 63/84
4. Subtract the two like fractions:
   252/84 - 63/84 = 252 - 63/84 = 189/84
5. After reducing the fraction, the answer is 9/4
6. In mixed form: 21/4

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