Answers

Subtract 8/90 from 8/40

8/40 - 8/90 is 1/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   8/40 = 8 × 9/40 × 9 = 72/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   8/90 = 8 × 4/90 × 4 = 32/360
4. Subtract the two like fractions:
   72/360 - 32/360 = 72 - 32/360 = 40/360
5. After reducing the fraction, the answer is 1/9

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