Answers

Subtract 90/50 from 8/40

1^st number: 8/40, 2^nd number: 1 40/50

8/40 - 90/50 is -8/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 50 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   8/40 = 8 × 5/40 × 5 = 40/200
3. Likewise, for the 2nd fraction, since 50 × 4 = 200,
   90/50 = 90 × 4/50 × 4 = 360/200
4. Subtract the two like fractions:
   40/200 - 360/200 = 40 - 360/200 = -320/200
5. After reducing the fraction, the answer is -8/5

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