Answers

Subtract 49/36 from 90/21

1^st number: 4 6/21, 2^nd number: 1 13/36

90/21 - 49/36 is 737/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 21 × 12 = 252,
   90/21 = 90 × 12/21 × 12 = 1080/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   49/36 = 49 × 7/36 × 7 = 343/252
4. Subtract the two like fractions:
   1080/252 - 343/252 = 1080 - 343/252 = 737/252
5. In mixed form: 2233/252

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