To simplify the expression -3/6 - 5/7, we need to find a common denominator and combine the fractions.
The common denominator of 6 and 7 is 42. To convert -3/6 to a fraction with a denominator of 42, we multiply the numerator and denominator by 7: (-3/6) * (7/7) = -21/42.
Next, we convert 5/7 to a fraction with a denominator of 42 by multiplying the numerator and denominator by 6: (5/7) * (6/6) = 30/42.
Now that both fractions have a common denominator of 42, we can combine them: -21/42 - 30/42 = (-21 - 30)/42 = -51/42.
The simplified expression is -51/42.
simplify the expressiion -3/6 - 5/7
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