Answers

Subtract 27/8 from 28/40

1^st number: 28/40, 2^nd number: 3 3/8

28/40 - 27/8 is -107/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 8 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 40 × 1 = 40,
   28/40 = 28 × 1/40 × 1 = 28/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   27/8 = 27 × 5/8 × 5 = 135/40
4. Subtract the two like fractions:
   28/40 - 135/40 = 28 - 135/40 = -107/40

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