Answers

Subtract 90/84 from 36/28

1^st number: 1 8/28, 2^nd number: 1 6/84

36/28 - 90/84 is 3/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   36/28 = 36 × 3/28 × 3 = 108/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   90/84 = 90 × 1/84 × 1 = 90/84
4. Subtract the two like fractions:
   108/84 - 90/84 = 108 - 90/84 = 18/84
5. After reducing the fraction, the answer is 3/14

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