Answers

Subtract 60/20 from 8/90

1^st number: 8/90, 2^nd number: 3 0/20

8/90 - 60/20 is -131/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   8/90 = 8 × 2/90 × 2 = 16/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   60/20 = 60 × 9/20 × 9 = 540/180
4. Subtract the two like fractions:
   16/180 - 540/180 = 16 - 540/180 = -524/180
5. After reducing the fraction, the answer is -131/45

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