Answers

Subtract 90/5 from 9/40

1^st number: 9/40, 2^nd number: 18 0/5

9/40 - 90/5 is -711/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 5 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 40 × 1 = 40,
   9/40 = 9 × 1/40 × 1 = 9/40
3. Likewise, for the 2nd fraction, since 5 × 8 = 40,
   90/5 = 90 × 8/5 × 8 = 720/40
4. Subtract the two like fractions:
   9/40 - 720/40 = 9 - 720/40 = -711/40

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