Answers

Subtract 50/63 from 42/15

1^st number: 2 12/15, 2^nd number: 50/63

42/15 - 50/63 is 632/315.

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,
   42/15 = 42 × 21/15 × 21 = 882/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   50/63 = 50 × 5/63 × 5 = 250/315
4. Subtract the two like fractions:
   882/315 - 250/315 = 882 - 250/315 = 632/315
5. In mixed form: 22/315

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