Answers

Subtract 20/54 from 84/4

1^st number: 21 0/4, 2^nd number: 20/54

84/4 - 20/54 is 557/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 54 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 4 × 27 = 108,
   84/4 = 84 × 27/4 × 27 = 2268/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   20/54 = 20 × 2/54 × 2 = 40/108
4. Subtract the two like fractions:
   2268/108 - 40/108 = 2268 - 40/108 = 2228/108
5. After reducing the fraction, the answer is 557/27
6. In mixed form: 2017/27

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