Answers

Subtract 2/4 from 40/20

1^st number: 2 0/20, 2^nd number: 2/4

40/20 - 2/4 is 3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   40/20 = 40 × 1/20 × 1 = 40/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   2/4 = 2 × 5/4 × 5 = 10/20
4. Subtract the two like fractions:
   40/20 - 10/20 = 40 - 10/20 = 30/20
5. After reducing the fraction, the answer is 3/2
6. In mixed form: 11/2

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