Answers

Subtract 63/16 from 35/90

1^st number: 35/90, 2^nd number: 3 15/16

35/90 - 63/16 is -511/144.

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,
   35/90 = 35 × 8/90 × 8 = 280/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   63/16 = 63 × 45/16 × 45 = 2835/720
4. Subtract the two like fractions:
   280/720 - 2835/720 = 280 - 2835/720 = -2555/720
5. After reducing the fraction, the answer is -511/144

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