Answers

Subtract 21/63 from 84/5

1^st number: 16 4/5, 2^nd number: 21/63

84/5 - 21/63 is 247/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 5 × 63 = 315,
   84/5 = 84 × 63/5 × 63 = 5292/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   21/63 = 21 × 5/63 × 5 = 105/315
4. Subtract the two like fractions:
   5292/315 - 105/315 = 5292 - 105/315 = 5187/315
5. After reducing the fraction, the answer is 247/15
6. In mixed form: 167/15

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