Answers

Subtract 50/84 from 28/54

28/54 - 50/84 is -29/378.

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,
   28/54 = 28 × 14/54 × 14 = 392/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   50/84 = 50 × 9/84 × 9 = 450/756
4. Subtract the two like fractions:
   392/756 - 450/756 = 392 - 450/756 = -58/756
5. After reducing the fraction, the answer is -29/378

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