# Evaluate 1/2-1/4+1/8

12-14+18
To write 12 as a fraction with a common denominator, multiply by 22.
12⋅22-14+18
Write each expression with a common denominator of 4, by multiplying each by an appropriate factor of 1.
Multiply 12 and 22.
22⋅2-14+18
Multiply 2 by 2.
24-14+18
24-14+18
Combine the numerators over the common denominator.
2-14+18
Subtract 1 from 2.
14+18
To write 14 as a fraction with a common denominator, multiply by 22.
14⋅22+18
Write each expression with a common denominator of 8, by multiplying each by an appropriate factor of 1.
Multiply 14 and 22.
24⋅2+18
Multiply 4 by 2.
28+18
28+18
Combine the numerators over the common denominator.
2+18