Answers

Subtract 45/90 from 4/15

4/15 - 45/90 is -7/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   4/15 = 4 × 6/15 × 6 = 24/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   45/90 = 45 × 1/90 × 1 = 45/90
4. Subtract the two like fractions:
   24/90 - 45/90 = 24 - 45/90 = -21/90
5. After reducing the fraction, the answer is -7/30

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