Answers

Subtract 75/18 from 98/45

1^st number: 2 8/45, 2^nd number: 4 3/18

98/45 - 75/18 is -179/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   98/45 = 98 × 2/45 × 2 = 196/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   75/18 = 75 × 5/18 × 5 = 375/90
4. Subtract the two like fractions:
   196/90 - 375/90 = 196 - 375/90 = -179/90

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