Question

simplify and express the result as a rational number in its lowest form 1.5625÷0.125+0.45-2.25

Answer 1

first we shall divide 1.5625/0.125 we will get to get 12.5

then we will add 0.45 to it to get 12.95

then we will subtract it by 2.25 to get 10.70

which can be written as 1070/100 by dividing by 10 we will get

107/10

so required rational number is 107/10

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