Answers

Subtract 3/18 from 10/63

10/63 - 3/18 is -1/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   10/63 = 10 × 2/63 × 2 = 20/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   3/18 = 3 × 7/18 × 7 = 21/126
4. Subtract the two like fractions:
   20/126 - 21/126 = 20 - 21/126 = -1/126

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