|dw:1617122658489:dw|
can you add it up first to find the sides of the larger rectangle?
What is 1/3 + 1/3
and what is 1/2 + 1/2 + 1/2
slice:
1.5
AZ:
what about 1/3 + 1/3 =
AZ:
1.5 is the same thing as 3/2 by the way
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slice:
idk
AZ:
add the fractions
when the denominator (or the bottom part of the fraction) is the same
you can just add the numbers in the numerator
so
\(\dfrac{a}{c} + \dfrac{b}{c} = \dfrac{a+b}{c}\)
AZ:
so basically
1/3 + 1/3 = ??
slice:
2/3
slice:
hello>
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AZ:
yes!!
so now we have the two sides
2/3 and 3/2
what do you get when you multiply it?
slice:
2 1/6
AZ:
no
remember when you're multiply, you multiply the numerator together and the denominators together
so
\(\dfrac{a}{b} \times \dfrac{c}{d} = \dfrac{a\times b}{c\times d}\)
AZ:
so what is
\(\dfrac{2}{3} \times \dfrac{3}{2} = \)
slice:
6
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AZ:
the numerator is 6
what about the bottom part
slice:
6
AZ:
so what is 6/6 =
slice:
6
slice:
1
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AZ:
now you got it!
when you divide a number by itself, you get 1