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dybincka [34]
3 years ago
15

Click on the picture to look at some equivalent fractions. Look at them closely. Can you see a relationship of any kind between

the two fractions in each pair? Write what you notice below.

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
5 0

when you simplify 2/4 it equals 1/2. Making them both equal the same.


2/3 when you double the numbers to make a bigger fraction you make 4/6.

2x2 = 4/ 3x3= /6 = 4/6


3/9 simplified is 1/3. Three goes into three one time, making the top one and three goes into 9 three times making the bottom 3.


When 9/12 is rounded down it is equivalent to 3/4

Shkiper50 [21]3 years ago
3 0
I notice that the denominator and numerator are all in the same times table. 3×3 is 9 and 4×3 is 12.
3 times 2 is 6 and 2 times two is 4. you times the same number from the numerator with the denominator and the opposite. What ever you do to the denominator do the same to the numerator.
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\bf a-b=3\qquad \implies \qquad \boxed{b}=3+a~\hfill \begin{cases} \left( \frac{a}{100} \right)X=240\\\\ \left( \frac{b}{100} \right)X=360 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \left( \cfrac{a}{100} \right)X=240\implies X=\cfrac{240}{~~\frac{a}{100}~~}\implies X=\cfrac{24000}{a} \\\\\\ \left( \cfrac{b}{100} \right)X=360\implies X=\cfrac{360}{~~\frac{b}{100}~~}\implies X=\cfrac{36000}{b} \\\\[-0.35em] ~\dotfill\\\\

\bf X=X\qquad thus\qquad \implies \cfrac{24000}{a}=\cfrac{36000}{b}\implies \cfrac{24000}{a}=\cfrac{36000}{\boxed{3+a}} \\\\\\ (3+a)24000=36000a\implies \cfrac{3+a}{a}=\cfrac{36000}{24000}\implies \cfrac{3-a}{a}=\cfrac{3}{2} \\\\\\ 6-2a=3a\implies 6=5a\implies \cfrac{6}{5}=a\implies 1\frac{1}{5}=a\implies \blacktriangleright 1.2 = x\blacktriangleleft

\bf \stackrel{\textit{since we know that}}{b=3+a}\implies b=3+\cfrac{6}{5}\implies b=\cfrac{21}{5}\implies b=4\frac{1}{5}\implies \blacktriangleright b=4.2 \blacktriangleleft

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