Answers

Subtract 30/8 from 18/5

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

18/5 - 30/8 is -3/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 8 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 5 × 8 = 40,
   18/5 = 18 × 8/5 × 8 = 144/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   30/8 = 30 × 5/8 × 5 = 150/40
4. Subtract the two like fractions:
   144/40 - 150/40 = 144 - 150/40 = -6/40
5. After reducing the fraction, the answer is -3/20

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