Answers

Subtract 63/12 from 49/20

1^st number: 2 9/20, 2^nd number: 5 3/12

49/20 - 63/12 is -14/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   49/20 = 49 × 3/20 × 3 = 147/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   63/12 = 63 × 5/12 × 5 = 315/60
4. Subtract the two like fractions:
   147/60 - 315/60 = 147 - 315/60 = -168/60
5. After reducing the fraction, the answer is -14/5

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