Answers

Subtract 20/30 from 8/90

8/90 - 20/30 is -26/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   8/90 = 8 × 1/90 × 1 = 8/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   20/30 = 20 × 3/30 × 3 = 60/90
4. Subtract the two like fractions:
   8/90 - 60/90 = 8 - 60/90 = -52/90
5. After reducing the fraction, the answer is -26/45

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