Answers

Subtract 35/70 from 3/63

3/63 - 35/70 is -19/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   3/63 = 3 × 10/63 × 10 = 30/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   35/70 = 35 × 9/70 × 9 = 315/630
4. Subtract the two like fractions:
   30/630 - 315/630 = 30 - 315/630 = -285/630
5. After reducing the fraction, the answer is -19/42

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