Answers

Subtract 20/56 from 6/40

6/40 - 20/56 is -29/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   6/40 = 6 × 7/40 × 7 = 42/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   20/56 = 20 × 5/56 × 5 = 100/280
4. Subtract the two like fractions:
   42/280 - 100/280 = 42 - 100/280 = -58/280
5. After reducing the fraction, the answer is -29/140

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