Question

Find each sum or difference.

$48-55$

Short answer

The value of the expression is –7.

Step-by-step solution

Step 1. Concept of addition and subtraction.

Two numbers with similar signs get added and the resulting number carries the similar sign.

Two numbers with opposite signs get subtracted and the resulting number carries the sign of the larger number.

Step 2. Subtract a smaller value from lara ger.

$\begin{array}{l}=55-48\\ =7\end{array}$

Step 3. By using the concept of addition and subtraction.

Since the larger value sign has negative thus the resulting sign will be negative.

$=-7$

Therefore the sum is –7.