Answers

Subtract 49/90 from 63/16

1^st number: 3 15/16, 2^nd number: 49/90

63/16 - 49/90 is 2443/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   63/16 = 63 × 45/16 × 45 = 2835/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   49/90 = 49 × 8/90 × 8 = 392/720
4. Subtract the two like fractions:
   2835/720 - 392/720 = 2835 - 392/720 = 2443/720
5. In mixed form: 3283/720

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