please do it . it is very important I would mark you in branilst
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15) IN MULTIPLICATION WE DON'T USE RECIPROCAL. HERE RECIPROCAL OF 3/2 IS TAKEN.
16) IN DIVISION WE USE THE RECIPROCAL OF THE DIVISOR. HERE THE RECIPROCAL OF THE DIVIDEND OR 4 IS TAKEN.
17) HERE IN THE DIVISION WE SHOULD USE THE RECIPROCAL. HERE THE RECIPROCAL OF THE DIVISOR 15 IS NOT TAKEN.
18) HERE IN THE SECOND STEP THE EQUIVALENT RATIONAL NUMBER OF 3 WHOLE 2/3 IS 11/3 NOT 6/3.
19) IN THE SECOND STEP THE EQUIVALENT FRACTION OF 10 WHOLE 1/2 AND 10 WHOLE 1/5 ARE NOT 2 AND 5.
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please mark me in branlist
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