Answers

Subtract 72/75 from 5/90

5/90 - 72/75 is -407/450.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 75 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   5/90 = 5 × 5/90 × 5 = 25/450
3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
   72/75 = 72 × 6/75 × 6 = 432/450
4. Subtract the two like fractions:
   25/450 - 432/450 = 25 - 432/450 = -407/450

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