Answers

Subtract 45/25 from 90/18

1^st number: 5 0/18, 2^nd number: 1 20/25

90/18 - 45/25 is 16/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 25 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 18 × 25 = 450,
   90/18 = 90 × 25/18 × 25 = 2250/450
3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
   45/25 = 45 × 18/25 × 18 = 810/450
4. Subtract the two like fractions:
   2250/450 - 810/450 = 2250 - 810/450 = 1440/450
5. After reducing the fraction, the answer is 16/5
6. In mixed form: 31/5

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