Answers

Subtract 75/20 from 1/5

1^st number: 1/5, 2^nd number: 3 15/20

1/5 - 75/20 is -71/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 5 × 4 = 20,
   1/5 = 1 × 4/5 × 4 = 4/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   75/20 = 75 × 1/20 × 1 = 75/20
4. Subtract the two like fractions:
   4/20 - 75/20 = 4 - 75/20 = -71/20

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