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Kobotan [32]
3 years ago
7

Complete the steps to demonstrate why you multiply by the reciprocal when dividing fractions. Find 1/4 ÷ 3/8. ..................

..................................................................................................................................
Step 1:rewrite it as 1/4/3/8. ....................................................................................................................................................Step 2:multiply the numerator and the denominator by the reciprocal of blank /blank. 1/4/3/8=1/4/3/8×blank/blank/ blank /blank.                                                                     ....................................................................................................................................................Step 3:simplify the denominator 1/4×8/3/blank                                                                  .................................................................................................................................................Step 4:simplify the fraction blank/blank ×blank/blank.               
Mathematics
1 answer:
Nataliya [291]3 years ago
3 0
<span>To complete the steps to demonstrate why you multiply by the reciprocal when dividing fractions.

To find
\frac{1}{4}\div\frac{3}8}

Step 1:
Rewrite it as
\frac{\frac{1}{4}}{\frac{3}{8}}.


Step 2:
Multiply the numerator and the denominator by the reciprocal of
\frac{3}{8}.</span><span>

</span><span>\frac{\frac{1}{4}}{\frac{3}{8}}=\frac{\frac{1}{4}}{\frac{3}{8}}\times\frac{\frac{8}{3}}{\frac{8}{3}}


Step 3:
Simplify the denominator
\frac{\frac{1}{4}\times\frac{8}{3}}{1}                                                                 

Step 4:
Simplify the fraction
</span><span>\frac{1}{4}\times\frac{8}{3}.

We complete the solution as follows:
</span><span><span>\frac{1}{4}\times\frac{8}{3}=\frac{1\times8}{4\times3}\\ \\=\frac{8}{12}=\frac{4\times2}{4\times3}=\frac{2}{3}</span></span>
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