Answers

Subtract 75/63 from 2/20

1^st number: 2/20, 2^nd number: 1 12/63

2/20 - 75/63 is -229/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   2/20 = 2 × 63/20 × 63 = 126/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   75/63 = 75 × 20/63 × 20 = 1500/1260
4. Subtract the two like fractions:
   126/1260 - 1500/1260 = 126 - 1500/1260 = -1374/1260
5. After reducing the fraction, the answer is -229/210

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