Answers

Subtract 2/90 from 2/40

2/40 - 2/90 is 1/36.

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,
   2/40 = 2 × 9/40 × 9 = 18/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   2/90 = 2 × 4/90 × 4 = 8/360
4. Subtract the two like fractions:
   18/360 - 8/360 = 18 - 8/360 = 10/360
5. After reducing the fraction, the answer is 1/36

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