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The sum is –9/10–5/109/20 ✔ 9/10.
The expression written in equivalent form with common denominators is X 1/5 + 7/52/5 + 7/51/10 + 7/10✔ 2/10 + 7/10.
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Use the interactive tool to find the sum:





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problem positive and the answer to the second problem negative? Check all that apply.
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7/10
Use the fraction bar interactive to find the difference:





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