Answers

Subtract 98/45 from 25/90

1^st number: 25/90, 2^nd number: 2 8/45

25/90 - 98/45 is -19/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   25/90 = 25 × 1/90 × 1 = 25/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   98/45 = 98 × 2/45 × 2 = 196/90
4. Subtract the two like fractions:
   25/90 - 196/90 = 25 - 196/90 = -171/90
5. After reducing the fraction, the answer is -19/10

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