Answers

Subtract 40/5 from 30/8

1^st number: 3 6/8, 2^nd number: 8 0/5

30/8 - 40/5 is -17/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 5 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 8 × 5 = 40,
   30/8 = 30 × 5/8 × 5 = 150/40
3. Likewise, for the 2nd fraction, since 5 × 8 = 40,
   40/5 = 40 × 8/5 × 8 = 320/40
4. Subtract the two like fractions:
   150/40 - 320/40 = 150 - 320/40 = -170/40
5. After reducing the fraction, the answer is -17/4

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