Answers

Subtract 9/7 from 56/84

1^st number: 56/84, 2^nd number: 1 2/7

56/84 - 9/7 is -13/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   56/84 = 56 × 1/84 × 1 = 56/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   9/7 = 9 × 12/7 × 12 = 108/84
4. Subtract the two like fractions:
   56/84 - 108/84 = 56 - 108/84 = -52/84
5. After reducing the fraction, the answer is -13/21

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