Answers

Subtract 24/10 from 21/2

1^st number: 10 1/2, 2^nd number: 2 4/10

21/2 - 24/10 is 81/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 10 is 10
   
   Next, find the equivalent fraction of both fractional numbers with denominator 10
2. For the 1st fraction, since 2 × 5 = 10,
   21/2 = 21 × 5/2 × 5 = 105/10
3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
   24/10 = 24 × 1/10 × 1 = 24/10
4. Subtract the two like fractions:
   105/10 - 24/10 = 105 - 24/10 = 81/10
5. In mixed form: 81/10

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