Answers

Subtract 50/56 from 28/42

28/42 - 50/56 is -19/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   28/42 = 28 × 4/42 × 4 = 112/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   50/56 = 50 × 3/56 × 3 = 150/168
4. Subtract the two like fractions:
   112/168 - 150/168 = 112 - 150/168 = -38/168
5. After reducing the fraction, the answer is -19/84

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