Math Problem Statement
Find each sum: (a) 50 1/2 + (-12.3), (b) -50 1/2 + (-12.3), (c) -50 1/2 + 12.3
Solution
Let's go through each part of the problem.
Problem 11: Find each sum
Part (a)
Expression:
Convert to a decimal:
So, the expression becomes:
Answer for (a):
Part (b)
Expression:
Convert to a decimal:
So, the expression becomes:
Answer for (b):
Part (c)
Expression:
Convert to a decimal:
So, the expression becomes:
Answer for (c):
Would you like further details on any of these steps?
Related Questions:
- How do you convert a mixed number to a decimal?
- What is the effect of adding a negative number?
- How does the sign of each term impact the final sum?
- Why is subtracting a negative equivalent to adding a positive?
- How can you verify these sums on a calculator?
Tip: Always convert mixed numbers to decimals for easier calculations in addition and subtraction.
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Math Problem Analysis
Mathematical Concepts
Addition and subtraction of mixed numbers
Converting mixed numbers to decimals
Working with negative numbers
Formulas
Mixed number to decimal conversion
Sum of two numbers with different signs
Theorems
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Suitable Grade Level
Grades 6-8