Adding and Subtracting Negative Decimals: -4.68 - 35.3 and 32.7 + (-51.82)

Published on October 27, 2026

Pre-Algebra

Evaluate two decimal arithmetic expressions involving negative numbers by applying sign rules: subtracting a positive from a negative adds magnitudes, and adding a negative reduces the sum by the larger magnitude's difference. Results are -39.98 and -19.12.

Question

Answer

Part 1:

Subtracting a positive number from a negative number adds magnitudes and keeps the negative sign:

Part 2:

Adding a negative number is subtraction of the magnitude, and the result takes the sign of the larger magnitude (51.82):

Final answers:

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