Answers

Subtract 70/63 from 1/75

1^st number: 1/75, 2^nd number: 1 7/63

1/75 - 70/63 is -247/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 75 × 21 = 1575,
   1/75 = 1 × 21/75 × 21 = 21/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   70/63 = 70 × 25/63 × 25 = 1750/1575
4. Subtract the two like fractions:
   21/1575 - 1750/1575 = 21 - 1750/1575 = -1729/1575
5. After reducing the fraction, the answer is -247/225

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