All categories

2 years ago

How to add with unlike denominators?

Mathematics

2 answers:

Westkost [7]2 years ago

7 0

Multiply the bottom you multiply the top with the same number so you will turn 1/2 to 5/10 then you will add ( this is continuing from the 3 dots on the paper

Vlada [557]2 years ago

3 0

Find a common denominator by finding a common multiple.

for example a common denominator for 1/2 and 1/4 would be 4.

You might be interested in

9. Si Diana compro una botella de aguardente, una de vino y una de wisky, todas por $260.000 botella de wisky costo el doble que

VLD [36.1K]

The answer is D.32.000

7 0

3 years ago

What is -3(-6+8)^3-2(1-3)^3

marin [14]

Assignment: $\bold{Solve \ Equation: \ -3\left(-6+8\right)^3-2\left(1-3\right)^3}$

<><><><><>

Answer: $\boxed{\bold{-8}}$

<><><><><>

Explanation: $\downarrow\downarrow\downarrow$

<><><><><>

[ Step One ] Follow PEMDAS Order Of Operations; Calculate Within Parenthesis

Note: $\bold{PEMDAS: \ Parenthesis, \ Exponents, \ Multiply, \ Divide, \ Add, \ Subtract}$

$\bold{-6+8: \ 2}$

[ Step Two ] Rewrite Equation

$\bold{-3\cdot \:2^3-2\left(1-3\right)^3}$

[ Step Three ] Calculate Within Parenthesis

$\bold{1-3: \ -2}$

[ Step Four ] Rewrite Equation

$\bold{-3\cdot \:2^3-2\left(-2\right)^3}$

[ Step Five ] Calculate Exponents

$\bold{2^3: \ 8}$

[ Step Six ] Rewrite Equation

$\bold{-3\cdot \:8-2\left(-8\right)}$

[ Step Seven ] Multiply

$\bold{2\left(-8\right): \ -16}$

[ Step Eight ] Rewrite Equation

$\bold{-24-\left(-16\right)}$

[ Step Nine ] Subtract

$\bold{-24-\left(-16\right): \ -8}$

[ Step Ten ] Rewrite Equation

$\bold{-8}$

<><><><><><><>

$\bold{\rightarrow Mordancy \leftarrow}$

8 0

3 years ago

2/5 + 3/8 - Adding fractions

m_a_m_a [10]

Answer:31/40

Step-by-step explanation:

To add you have to have a common denominator. To get that you can multiply each fraction by one in different ways. 2/5 *8/8= 16/40 and 3/8* 5/5= 15/40 and then add those two to give you 31/40.

5 0

2 years ago

Read 2 more answers

What’s the slope of the line?

yulyashka [42]

Answer:

the slope is 1

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Identify the number that does not belong with the other three. explain your reasoning. -10/2 -13.4 sqrt 18 22.7