Answers

Subtract 5/63 from 21/15

1^st number: 1 6/15, 2^nd number: 5/63

21/15 - 5/63 is 416/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   21/15 = 21 × 21/15 × 21 = 441/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   5/63 = 5 × 5/63 × 5 = 25/315
4. Subtract the two like fractions:
   441/315 - 25/315 = 441 - 25/315 = 416/315
5. In mixed form: 1101/315

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