Answers

Subtract 54/72 from 3/84

3/84 - 54/72 is -5/7.

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,
   3/84 = 3 × 6/84 × 6 = 18/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   54/72 = 54 × 7/72 × 7 = 378/504
4. Subtract the two like fractions:
   18/504 - 378/504 = 18 - 378/504 = -360/504
5. After reducing the fraction, the answer is -5/7

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