Answers

Subtract 84/4 from 54/10

1^st number: 5 4/10, 2^nd number: 21 0/4

54/10 - 84/4 is -78/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   54/10 = 54 × 2/10 × 2 = 108/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   84/4 = 84 × 5/4 × 5 = 420/20
4. Subtract the two like fractions:
   108/20 - 420/20 = 108 - 420/20 = -312/20
5. After reducing the fraction, the answer is -78/5

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