[tex]\frac35+\frac1{10}=\frac6{10}+\frac1{10}=\frac7{10}\\
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1\frac56+4\frac1{12}=1\frac{10}{12}+4\frac1{12}=5\frac{11}{12}\\
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\frac45-\frac3{10}=\frac8{10}-\frac3{10}=\frac5{10}=\frac12\\
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\frac83-\frac89=\frac{24}9-\frac89=\frac{16}9=1\frac79\\
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2\frac12-\frac14=2\frac24-\frac14=2\frac14\\[/tex]
[tex]\\
5\frac14+\frac56=5\frac{3}{12}+\frac{10}{12}=5\frac{13}{12}=6\frac1{12}\\
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2\frac78+3\frac16=2\frac{21}{24}+3\frac{4}{24}=5\frac{25}{24}=6\frac1{24}\\
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\frac89-\frac25=\frac{40}{45}-\frac{18}{45}=\frac{22}{45}\\
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\frac78-\frac45=\frac{35}{40}-\frac{32}{40}=\frac3{40}[/tex]
[tex]8\frac57-3\frac25=8\frac{25}{35}-3\frac{14}{35}=5\frac{11}{35}\\
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4\frac14-4\frac16=4\frac{6}{24}-4\frac{4}{24}=\frac2{24}=\frac1{12}[/tex]
