Answers

Subtract 28/84 from 90/6

1^st number: 15 0/6, 2^nd number: 28/84

90/6 - 28/84 is 44/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 6 × 14 = 84,
   90/6 = 90 × 14/6 × 14 = 1260/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   28/84 = 28 × 1/84 × 1 = 28/84
4. Subtract the two like fractions:
   1260/84 - 28/84 = 1260 - 28/84 = 1232/84
5. After reducing the fraction, the answer is 44/3
6. In mixed form: 142/3

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