Answers

Subtract 25/63 from 2/30

2/30 - 25/63 is -104/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 30 × 21 = 630,
   2/30 = 2 × 21/30 × 21 = 42/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   25/63 = 25 × 10/63 × 10 = 250/630
4. Subtract the two like fractions:
   42/630 - 250/630 = 42 - 250/630 = -208/630
5. After reducing the fraction, the answer is -104/315

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