Answers

Subtract 8/50 from 3/90

3/90 - 8/50 is -19/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   3/90 = 3 × 5/90 × 5 = 15/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   8/50 = 8 × 9/50 × 9 = 72/450
4. Subtract the two like fractions:
   15/450 - 72/450 = 15 - 72/450 = -57/450
5. After reducing the fraction, the answer is -19/150

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