Answers

Subtract 81/45 from 4/2

1^st number: 2 0/2, 2^nd number: 1 36/45

4/2 - 81/45 is 1/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 2 × 45 = 90,
   4/2 = 4 × 45/2 × 45 = 180/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   81/45 = 81 × 2/45 × 2 = 162/90
4. Subtract the two like fractions:
   180/90 - 162/90 = 180 - 162/90 = 18/90
5. After reducing the fraction, the answer is 1/5

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