Answers

Subtract 30/10 from 20/25

1^st number: 20/25, 2^nd number: 3 0/10

20/25 - 30/10 is -11/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 10 is 50
   
   Next, find the equivalent fraction of both fractional numbers with denominator 50
2. For the 1st fraction, since 25 × 2 = 50,
   20/25 = 20 × 2/25 × 2 = 40/50
3. Likewise, for the 2nd fraction, since 10 × 5 = 50,
   30/10 = 30 × 5/10 × 5 = 150/50
4. Subtract the two like fractions:
   40/50 - 150/50 = 40 - 150/50 = -110/50
5. After reducing the fraction, the answer is -11/5

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