Answers

Subtract 27/84 from 6/40

6/40 - 27/84 is -6/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   6/40 = 6 × 21/40 × 21 = 126/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   27/84 = 27 × 10/84 × 10 = 270/840
4. Subtract the two like fractions:
   126/840 - 270/840 = 126 - 270/840 = -144/840
5. After reducing the fraction, the answer is -6/35

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