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Find the sum or difference: 2.8 - -5.1
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Find the sum or difference: 2.8 - -5.1

User Frozenthia
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2 Answers

1 vote
Subtracting means adding the opposite.Subtracting -5.1 means adding the opposite of -5.1 which is +5.1.
2.8 - (-5.1) = 2.8 + (+5.1) = 2.8 + 5.1 = 7.9

User ShaggyInjun
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4 votes
2.8-(-5.1)

-(-5.1)=5.1

2.8+5.1= 7.9

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User Rahul Neekhra
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