Answers

Subtract 10/84 from 90/54

1^st number: 1 36/54, 2^nd number: 10/84

90/54 - 10/84 is 65/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 84 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   90/54 = 90 × 14/54 × 14 = 1260/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   10/84 = 10 × 9/84 × 9 = 90/756
4. Subtract the two like fractions:
   1260/756 - 90/756 = 1260 - 90/756 = 1170/756
5. After reducing the fraction, the answer is 65/42
6. In mixed form: 123/42

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