Answers

Subtract 8/54 from 90/45

1^st number: 2 0/45, 2^nd number: 8/54

90/45 - 8/54 is 50/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   90/45 = 90 × 6/45 × 6 = 540/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   8/54 = 8 × 5/54 × 5 = 40/270
4. Subtract the two like fractions:
   540/270 - 40/270 = 540 - 40/270 = 500/270
5. After reducing the fraction, the answer is 50/27
6. In mixed form: 123/27

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