Answers

Subtract 20/18 from 25/75

1^st number: 25/75, 2^nd number: 1 2/18

25/75 - 20/18 is -7/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   25/75 = 25 × 6/75 × 6 = 150/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   20/18 = 20 × 25/18 × 25 = 500/450
4. Subtract the two like fractions:
   150/450 - 500/450 = 150 - 500/450 = -350/450
5. After reducing the fraction, the answer is -7/9

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