Answers

Subtract 15/84 from 8/45

8/45 - 15/84 is -1/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   8/45 = 8 × 28/45 × 28 = 224/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   15/84 = 15 × 15/84 × 15 = 225/1260
4. Subtract the two like fractions:
   224/1260 - 225/1260 = 224 - 225/1260 = -1/1260

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