Answers

Subtract 35/16 from 63/90

1^st number: 63/90, 2^nd number: 2 3/16

63/90 - 35/16 is -119/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 16 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   63/90 = 63 × 8/90 × 8 = 504/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   35/16 = 35 × 45/16 × 45 = 1575/720
4. Subtract the two like fractions:
   504/720 - 1575/720 = 504 - 1575/720 = -1071/720
5. After reducing the fraction, the answer is -119/80

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