Answers

Subtract 80/6 from 63/21

1^st number: 3 0/21, 2^nd number: 13 2/6

63/21 - 80/6 is -31/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   63/21 = 63 × 2/21 × 2 = 126/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   80/6 = 80 × 7/6 × 7 = 560/42
4. Subtract the two like fractions:
   126/42 - 560/42 = 126 - 560/42 = -434/42
5. After reducing the fraction, the answer is -31/3

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