Answers

Subtract 90/63 from 49/16

1^st number: 3 1/16, 2^nd number: 1 27/63

49/16 - 90/63 is 183/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 63 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 16 × 63 = 1008,
   49/16 = 49 × 63/16 × 63 = 3087/1008
3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
   90/63 = 90 × 16/63 × 16 = 1440/1008
4. Subtract the two like fractions:
   3087/1008 - 1440/1008 = 3087 - 1440/1008 = 1647/1008
5. After reducing the fraction, the answer is 183/112
6. In mixed form: 171/112

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