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Writing 7/4+5/2=7+5/4+2 is wrong.It should be as follows: 7/4+5/2=7/4+10/4 (Converting into like fractions) 7+10/4=17/4 (only numberators are added0
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Writing 7/4+5/2=7+5/4+2 is wrong.It should be as follows: 7/4+5/2=7/4+10/4 (Converting into like fractions) 7+10/4=17/4 (only numberators are added0