Answers

Subtract 21/54 from 84/75

1^st number: 1 9/75, 2^nd number: 21/54

84/75 - 21/54 is 329/450.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   84/75 = 84 × 18/75 × 18 = 1512/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   21/54 = 21 × 25/54 × 25 = 525/1350
4. Subtract the two like fractions:
   1512/1350 - 525/1350 = 1512 - 525/1350 = 987/1350
5. After reducing the fraction, the answer is 329/450

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