Answers

Subtract 72/63 from 63/15

1^st number: 4 3/15, 2^nd number: 1 9/63

63/15 - 72/63 is 107/35.

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,
   63/15 = 63 × 21/15 × 21 = 1323/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   72/63 = 72 × 5/63 × 5 = 360/315
4. Subtract the two like fractions:
   1323/315 - 360/315 = 1323 - 360/315 = 963/315
5. After reducing the fraction, the answer is 107/35
6. In mixed form: 32/35

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