2 an 1 8th subtract 1 half

13/8

alternative forms:

1 5/8, 1.625

2 1/8-1/2

multiply 2 and 8

16+1/8-1/2

add 16 to 1

17/8-1/2

least common multiple of 8 and 2 is 8. Convert 17/8=2.125 and 1/2=0.5 to fractions with denominator 8.

17/8-4/8

subtract numerators and put denominators as only one 8.

13/8

answer:   c ?

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: