Question

Find each sum or difference, (Lesson 0-4)

4.28 – 2.4

Short answer

The difference is 1.88.

Step-by-step solution

Step 1. Understand what is given.

$4.28-2.4$

Step 2. Make a strategy.

We will convert the decimals into fractions with the same denominator. Then we will subtract the fractions. And then convert it to decimal again.

Step 3. Calculation.

$\begin{array}{l}4.28-2.4\\ =\frac{428}{100}-\frac{24}{10}\\ =\frac{428-24\left(10\right)}{100}\\ =\frac{428-240}{100}\\ =\frac{188}{100}\\ =1.88\end{array}$