Answers

Subtract 50/63 from 21/2

1^st number: 10 1/2, 2^nd number: 50/63

21/2 - 50/63 is 1223/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 2 × 63 = 126,
   21/2 = 21 × 63/2 × 63 = 1323/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   50/63 = 50 × 2/63 × 2 = 100/126
4. Subtract the two like fractions:
   1323/126 - 100/126 = 1323 - 100/126 = 1223/126
5. In mixed form: 989/126

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