Answers

Subtract 90/49 from 63/4

1^st number: 15 3/4, 2^nd number: 1 41/49

63/4 - 90/49 is 2727/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 4 × 49 = 196,
   63/4 = 63 × 49/4 × 49 = 3087/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   90/49 = 90 × 4/49 × 4 = 360/196
4. Subtract the two like fractions:
   3087/196 - 360/196 = 3087 - 360/196 = 2727/196
5. In mixed form: 13179/196

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