Answers

Subtract 50/54 from 50/21

1^st number: 2 8/21, 2^nd number: 50/54

50/21 - 50/54 is 275/189.

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,
   50/21 = 50 × 18/21 × 18 = 900/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   50/54 = 50 × 7/54 × 7 = 350/378
4. Subtract the two like fractions:
   900/378 - 350/378 = 900 - 350/378 = 550/378
5. After reducing the fraction, the answer is 275/189
6. In mixed form: 186/189

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