Answers

Subtract 90/54 from 20/10

1^st number: 2 0/10, 2^nd number: 1 36/54

20/10 - 90/54 is 1/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   20/10 = 20 × 27/10 × 27 = 540/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   90/54 = 90 × 5/54 × 5 = 450/270
4. Subtract the two like fractions:
   540/270 - 450/270 = 540 - 450/270 = 90/270
5. After reducing the fraction, the answer is 1/3

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