Answers

Subtract 45/84 from 8/15

8/15 - 45/84 is -1/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   8/15 = 8 × 28/15 × 28 = 224/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
4. Subtract the two like fractions:
   224/420 - 225/420 = 224 - 225/420 = -1/420

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