Answers

Subtract 45/36 from 4/90

1^st number: 4/90, 2^nd number: 1 9/36

4/90 - 45/36 is -217/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   4/90 = 4 × 2/90 × 2 = 8/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   45/36 = 45 × 5/36 × 5 = 225/180
4. Subtract the two like fractions:
   8/180 - 225/180 = 8 - 225/180 = -217/180

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