Answers

Subtract 30/60 from 3/63

3/63 - 30/60 is -19/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   3/63 = 3 × 20/63 × 20 = 60/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   30/60 = 30 × 21/60 × 21 = 630/1260
4. Subtract the two like fractions:
   60/1260 - 630/1260 = 60 - 630/1260 = -570/1260
5. After reducing the fraction, the answer is -19/42

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