Question

What is -3 5/7 expressed as an improper fraction? a -21/7 b -7/26 c -15/7 d -26/7

Answer 1

you would multiply -3 by 7, and get -21. then you would add 5. the denominator stays the same, so the answer is D

Answer 2

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 (5)/(7)= (-3*7+5)/(7)= (-16)/(7)`

I think the choices are wrong
The answer is -16/7