Answers

Subtract 81/75 from 20/50

1^st number: 20/50, 2^nd number: 1 6/75

20/50 - 81/75 is -17/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 75 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 50 × 3 = 150,
   20/50 = 20 × 3/50 × 3 = 60/150
3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
   81/75 = 81 × 2/75 × 2 = 162/150
4. Subtract the two like fractions:
   60/150 - 162/150 = 60 - 162/150 = -102/150
5. After reducing the fraction, the answer is -17/25

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