Answers

Subtract 20/63 from 10/60

10/60 - 20/63 is -19/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   10/60 = 10 × 21/60 × 21 = 210/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   20/63 = 20 × 20/63 × 20 = 400/1260
4. Subtract the two like fractions:
   210/1260 - 400/1260 = 210 - 400/1260 = -190/1260
5. After reducing the fraction, the answer is -19/126

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