Answers

Subtract 84/8 from 9/40

1^st number: 9/40, 2^nd number: 10 4/8

9/40 - 84/8 is -411/40.

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,
   9/40 = 9 × 1/40 × 1 = 9/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   84/8 = 84 × 5/8 × 5 = 420/40
4. Subtract the two like fractions:
   9/40 - 420/40 = 9 - 420/40 = -411/40

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