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Earn +20 ptsQ: Why is it possible to invert the divisor and multiply?
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How do you invert the divisor and multiply a fraction?
(a/b) divided by (c/d) =(a/b) x (d/c) <-- notice divisor is inverted (turned upside down) now multiply both numerators and both denominators = (ad)/(bc)
Why do you invert fractions?
When you divide by fractions, you invert and multiply.
To divide real numbers as fractions multiply by the of the divisor?
" ... multiply by the RECIPROCAL of the divisor.
What is the quotient when 5 of 8 is divided by 5 of 3?
To divide by a fraction, invert the divisor and multiply: 5/8 ÷ 5/3 = 5/8 x 3/5 = 3/8
Why do you invert the divisor when you divide a fraction by a fraction?
Because that is just how it works mathematically If you divide one vulgar (or common) fraction by a second vulgar fraction, the rule is: Invert the second fraction and then multiply them together. It is too difficult to explain why this works, using typed explanation on the computer, but just accept that it works.
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