Answers

Subtract 8/90 from 18/50

18/50 - 8/90 is 61/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   18/50 = 18 × 9/50 × 9 = 162/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   8/90 = 8 × 5/90 × 5 = 40/450
4. Subtract the two like fractions:
   162/450 - 40/450 = 162 - 40/450 = 122/450
5. After reducing the fraction, the answer is 61/225

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