Answers

Subtract 2/90 from 4/45

4/45 - 2/90 is 1/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   4/45 = 4 × 2/45 × 2 = 8/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   2/90 = 2 × 1/90 × 1 = 2/90
4. Subtract the two like fractions:
   8/90 - 2/90 = 8 - 2/90 = 6/90
5. After reducing the fraction, the answer is 1/15

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