Answers

Subtract 21/40 from 40/2

1^st number: 20 0/2, 2^nd number: 21/40

40/2 - 21/40 is 779/40.

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,
   40/2 = 40 × 20/2 × 20 = 800/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   21/40 = 21 × 1/40 × 1 = 21/40
4. Subtract the two like fractions:
   800/40 - 21/40 = 800 - 21/40 = 779/40
5. In mixed form: 1919/40

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