Answers

Subtract 63/42 from 5/6

1^st number: 5/6, 2^nd number: 1 21/42

5/6 - 63/42 is -2/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 6 × 7 = 42,
   5/6 = 5 × 7/6 × 7 = 35/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   63/42 = 63 × 1/42 × 1 = 63/42
4. Subtract the two like fractions:
   35/42 - 63/42 = 35 - 63/42 = -28/42
5. After reducing the fraction, the answer is -2/3

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