Answers

Subtract 9/5 from 63/90

1^st number: 63/90, 2^nd number: 1 4/5

63/90 - 9/5 is -11/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 5 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   63/90 = 63 × 1/90 × 1 = 63/90
3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
   9/5 = 9 × 18/5 × 18 = 162/90
4. Subtract the two like fractions:
   63/90 - 162/90 = 63 - 162/90 = -99/90
5. After reducing the fraction, the answer is -11/10

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