Answers

Subtract 30/54 from 84/90

84/90 - 30/54 is 17/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 90 × 3 = 270,
   84/90 = 84 × 3/90 × 3 = 252/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   30/54 = 30 × 5/54 × 5 = 150/270
4. Subtract the two like fractions:
   252/270 - 150/270 = 252 - 150/270 = 102/270
5. After reducing the fraction, the answer is 17/45

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