3 years ago

How do i multiply fractions with whole numbers (e.g. 20 2/6 x 6 3/6)?

Mathematics

1 answer:

Kipish [7]3 years ago

8 0

Answer:

Step-by-step explanation:

you change it to an improper fraction for example 20 2/6x6 3/6

you gotta multiply the 6 in the 20 2/6 by 20 then add the 2 so it would be 122/6 do the same for the other and then you have 39/6 then multiply 122/6x39/6

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Show how to solve the equation in the picture

MArishka [77]

$\left(3\cdot8\cdot x\right)^7\\\\\left(3\cdot2\cdot4\cdot x\right)^7\\\\\left((3\cdot2)\cdot4\cdot x\right)^7\\\\\left(6\cdot4\cdot x\right)^7\\\\6^7\cdot4^7\cdot x^7\\\\$

In the second step, I rewrote 8 as 2*4. Then after that I regrouped terms so that the (3*2) can pair up together. This of course turns into 6. After that point, we have 6, 4 and x multiplied together as the base.

The last step uses the rule that $(a*b*c)^d = a^d*b^d*c^d$ , in other words, we apply the exponent d to each term inside the parenthesis. Each term inside gets its own exponent.