Answers

Subtract 54/35 from 27/28

1^st number: 27/28, 2^nd number: 1 19/35

27/28 - 54/35 is -81/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   27/28 = 27 × 5/28 × 5 = 135/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   54/35 = 54 × 4/35 × 4 = 216/140
4. Subtract the two like fractions:
   135/140 - 216/140 = 135 - 216/140 = -81/140

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