Answers

Subtract 81/56 from 84/28

1^st number: 3 0/28, 2^nd number: 1 25/56

84/28 - 81/56 is 87/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 56 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 28 × 2 = 56,
   84/28 = 84 × 2/28 × 2 = 168/56
3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
   81/56 = 81 × 1/56 × 1 = 81/56
4. Subtract the two like fractions:
   168/56 - 81/56 = 168 - 81/56 = 87/56
5. In mixed form: 131/56

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