Answers

Subtract 40/35 from 20/54

1^st number: 20/54, 2^nd number: 1 5/35

20/54 - 40/35 is -146/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 35 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   20/54 = 20 × 35/54 × 35 = 700/1890
3. Likewise, for the 2nd fraction, since 35 × 54 = 1890,
   40/35 = 40 × 54/35 × 54 = 2160/1890
4. Subtract the two like fractions:
   700/1890 - 2160/1890 = 700 - 2160/1890 = -1460/1890
5. After reducing the fraction, the answer is -146/189

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