Answers

Subtract 54/45 from 90/25

1^st number: 3 15/25, 2^nd number: 1 9/45

90/25 - 54/45 is 12/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 25 × 9 = 225,
   90/25 = 90 × 9/25 × 9 = 810/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   54/45 = 54 × 5/45 × 5 = 270/225
4. Subtract the two like fractions:
   810/225 - 270/225 = 810 - 270/225 = 540/225
5. After reducing the fraction, the answer is 12/5
6. In mixed form: 22/5

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