how to write this in a standard notation (7x1/10)+(3x1/100)?

how do I solve and write this problem in a standard notation?
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2 Answers

anything x 1 is just that number. so its 7/10 + 3/100

find least common deminator which in this case is 100

100 goes into 10, 10 times,  10 x 7 = 70

100 goes into 100, 1 time,  1 x 3 = 3

(70+3)/100 = 73/100 is your answer
by Level 6 User (15.3k points)
(4x100)+(3x10)+(5x1/10)+(7x1/10)=
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