simplify 21/5+-53/10+3/2
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Step-by-step explanation:
21/5 - 53/10 + 3/2
=> 42/10 - 53/10 + 15/10 (see rules for addition in fractional no.s with different denominators)
=> (42/10 + 15/10) - 53/10 (according to BODMAS rule, which is Brackets, multiplication( having 'of'), division, multiplication, addition, subtraction, in accordance with the preference of solving simplification having all those abbr. , brackets and numerical symbols)
=> 57/10 - 53/10
=> 4/10
=> 2/5 (ans.)
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