Answers

Subtract 21/40 from 50/2

1^st number: 25 0/2, 2^nd number: 21/40

50/2 - 21/40 is 979/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 2 × 20 = 40,
   50/2 = 50 × 20/2 × 20 = 1000/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   21/40 = 21 × 1/40 × 1 = 21/40
4. Subtract the two like fractions:
   1000/40 - 21/40 = 1000 - 21/40 = 979/40
5. In mixed form: 2419/40

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