Answers

Subtract 90/9 from 63/60

1^st number: 1 3/60, 2^nd number: 10 0/9

63/60 - 90/9 is -179/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 9 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   63/60 = 63 × 3/60 × 3 = 189/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   90/9 = 90 × 20/9 × 20 = 1800/180
4. Subtract the two like fractions:
   189/180 - 1800/180 = 189 - 1800/180 = -1611/180
5. After reducing the fraction, the answer is -179/20

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