Answers

Subtract 84/72 from 1/84

1^st number: 1/84, 2^nd number: 1 12/72

1/84 - 84/72 is -97/84.

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,
   1/84 = 1 × 6/84 × 6 = 6/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   84/72 = 84 × 7/72 × 7 = 588/504
4. Subtract the two like fractions:
   6/504 - 588/504 = 6 - 588/504 = -582/504
5. After reducing the fraction, the answer is -97/84

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