Answers

Subtract 45/72 from 6/84

6/84 - 45/72 is -31/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   6/84 = 6 × 6/84 × 6 = 36/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   45/72 = 45 × 7/72 × 7 = 315/504
4. Subtract the two like fractions:
   36/504 - 315/504 = 36 - 315/504 = -279/504
5. After reducing the fraction, the answer is -31/56

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