Answers

Subtract 18/54 from 96/21

1^st number: 4 12/21, 2^nd number: 18/54

96/21 - 18/54 is 89/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 21 × 18 = 378,
   96/21 = 96 × 18/21 × 18 = 1728/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   18/54 = 18 × 7/54 × 7 = 126/378
4. Subtract the two like fractions:
   1728/378 - 126/378 = 1728 - 126/378 = 1602/378
5. After reducing the fraction, the answer is 89/21
6. In mixed form: 45/21

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