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Mathematics 22 Online
Wait:

2/5 + 3/9 + 2/3 = ?

boredfr:

Ok so first you have to find the LCD, so that you can add them. what is the first number that 5,3, and 9 have in common?

Wait:

5?

boredfr:

._. no

Wait:

i meant 45?

boredfr:

Yes alr so know that you have your LCD- you need to fix your fractions \[\frac{ 2 }{ 5 }=\frac{ 18 }{ 45 }\]\[\frac{ 3 }{ 9 }=\frac{ 18 }{ 45 }\]\[\frac{ 2 }{ 3 }=\frac{ 30 }{ 45 }\]

Wait:

1 21/45

Wait:

right?

boredfr:

Yes you're correct

Wait:

okie dokie

Wait:

thank youuuu

boredfr:

But you can simplify-

snowflake0531:

\[\frac{ 2 }{ 5 } = \frac{18}{45}\\\frac{3}{9} = \frac{15}{45}\\\frac{2}{3} = \frac{30}{45}\]

boredfr:

Snow- I alr did that-

snowflake0531:

no you did it wrong

boredfr:

But I messed up-

snowflake0531:

it's 15/45 not 18/45

boredfr:

RIPPPPP

Wait:

1 17/45?

Wait:

**1 17/45

Wait:

breh i meant 18

snowflake0531:

\[\frac{ 18+15+30 }{ 45 } = \frac{63}{45}\]

Wait:

1 18/45

snowflake0531:

@wait wrote:
1 18/45
yes

Wait:

okie dokie ty

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