Answers

Subtract 12/45 from 4/40

4/40 - 12/45 is -1/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   4/40 = 4 × 9/40 × 9 = 36/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   12/45 = 12 × 8/45 × 8 = 96/360
4. Subtract the two like fractions:
   36/360 - 96/360 = 36 - 96/360 = -60/360
5. After reducing the fraction, the answer is -1/6

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