Question

add (0.75 - 1\frac{1}{4}+0.45). write your answer as a decimal to the nearest hundredth

Explanation:

Step1: Convert mixed - number to decimal

$1\frac{1}{4}=1 + \frac{1}{4}=1+0.25 = 1.25$

Step2: Perform the arithmetic operation

$0.75-1.25 + 0.45=(0.75 + 0.45)-1.25$
$=1.2-1.25=- 0.05$

Answer:

$-0.05$