what is -3 5/7 expressed as an improper fraction? a -21/7 b -7/26 c -15/7 d -26/7
you would multiply -3 by 7, and get -21. then you would add 5. the denominator stays the same, so the answer is D
To change a mixed number to a improper fraction, first multiply the whole number by the denominator, then add the numerator;the denominator stays the same.
\(-3 \frac{5}{7}= \frac{-3*7+5}{7}= \frac{-16}{7}\)
I think the choices are wrong
The answer is -16/7