Answers

Subtract 49/18 from 63/21

1^st number: 3 0/21, 2^nd number: 2 13/18

63/21 - 49/18 is 5/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   63/21 = 63 × 6/21 × 6 = 378/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   49/18 = 49 × 7/18 × 7 = 343/126
4. Subtract the two like fractions:
   378/126 - 343/126 = 378 - 343/126 = 35/126
5. After reducing the fraction, the answer is 5/18

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