Answers

Subtract 6/49 from 20/42

20/42 - 6/49 is 52/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   20/42 = 20 × 7/42 × 7 = 140/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   6/49 = 6 × 6/49 × 6 = 36/294
4. Subtract the two like fractions:
   140/294 - 36/294 = 140 - 36/294 = 104/294
5. After reducing the fraction, the answer is 52/147

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