Answers

Subtract 8/90 from 45/10

1^st number: 4 5/10, 2^nd number: 8/90

45/10 - 8/90 is 397/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   45/10 = 45 × 9/10 × 9 = 405/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   8/90 = 8 × 1/90 × 1 = 8/90
4. Subtract the two like fractions:
   405/90 - 8/90 = 405 - 8/90 = 397/90
5. In mixed form: 437/90

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