Answers

Subtract 20/7 from 35/54

1^st number: 35/54, 2^nd number: 2 6/7

35/54 - 20/7 is -835/378.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 7 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   35/54 = 35 × 7/54 × 7 = 245/378
3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
   20/7 = 20 × 54/7 × 54 = 1080/378
4. Subtract the two like fractions:
   245/378 - 1080/378 = 245 - 1080/378 = -835/378

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