Answers

Subtract 50/56 from 18/20

18/20 - 50/56 is 1/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   18/20 = 18 × 14/20 × 14 = 252/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   50/56 = 50 × 5/56 × 5 = 250/280
4. Subtract the two like fractions:
   252/280 - 250/280 = 252 - 250/280 = 2/280
5. After reducing the fraction, the answer is 1/140

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