Answers

Subtract 16/63 from 42/5

1^st number: 8 2/5, 2^nd number: 16/63

42/5 - 16/63 is 2566/315.

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,
   42/5 = 42 × 63/5 × 63 = 2646/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   16/63 = 16 × 5/63 × 5 = 80/315
4. Subtract the two like fractions:
   2646/315 - 80/315 = 2646 - 80/315 = 2566/315
5. In mixed form: 846/315

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