Grade 7 maths · M.11 · Operations with fractions and decimals
Add decimals including negatives
Line up the decimal points to add or subtract. The sign rules are the same as for integers.
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Evaluate: −4.1 + (−4.3)
Answer: -8.4
Evaluate: 0.5 + (−9.1)
Answer: -8.6
Evaluate: 4.2 + 7.3
Answer: 11.5
Tip: Line up the decimal points to add or subtract. The sign rules are the same as for integers.
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- Next in this topic Subtract decimals including negatives Grade 7
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