Answers

Subtract 72/45 from 18/25

1^st number: 18/25, 2^nd number: 1 27/45

18/25 - 72/45 is -22/25.

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,
   18/25 = 18 × 9/25 × 9 = 162/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   72/45 = 72 × 5/45 × 5 = 360/225
4. Subtract the two like fractions:
   162/225 - 360/225 = 162 - 360/225 = -198/225
5. After reducing the fraction, the answer is -22/25

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