Answers

Subtract 8/90 from 3/60

3/60 - 8/90 is -7/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   3/60 = 3 × 3/60 × 3 = 9/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   8/90 = 8 × 2/90 × 2 = 16/180
4. Subtract the two like fractions:
   9/180 - 16/180 = 9 - 16/180 = -7/180

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