Answers

Subtract 63/28 from 30/75

1^st number: 30/75, 2^nd number: 2 7/28

30/75 - 63/28 is -37/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 28 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   30/75 = 30 × 28/75 × 28 = 840/2100
3. Likewise, for the 2nd fraction, since 28 × 75 = 2100,
   63/28 = 63 × 75/28 × 75 = 4725/2100
4. Subtract the two like fractions:
   840/2100 - 4725/2100 = 840 - 4725/2100 = -3885/2100
5. After reducing the fraction, the answer is -37/20

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