Answers

Subtract 28/90 from 27/6

1^st number: 4 3/6, 2^nd number: 28/90

27/6 - 28/90 is 377/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 6 × 15 = 90,
   27/6 = 27 × 15/6 × 15 = 405/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   28/90 = 28 × 1/90 × 1 = 28/90
4. Subtract the two like fractions:
   405/90 - 28/90 = 405 - 28/90 = 377/90
5. In mixed form: 417/90

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