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Mathematics 15 Online
bivibes:

help math below

bivibes:

jhonyy9:

@extrinix

jhonyy9:

@cutedaddy wrote:
the answer of 1st Q is Exact Form: 19 6 Decimal Form: 3.1 ¯ 6 Mixed Number Form: 3 1 6
ok but what choice from these ?

Extrinix:

Ok, so to solve this, you need to convert them into improper fractions and then find similar denominators, it would look like this: \(5\dfrac{3}{6}\)-\(2\dfrac{1}{3}\) Improper fractions: \(\dfrac{5 \times 6 + 3}{6}\) - \(\dfrac{2 \times 3 + 1}{3}\) This gets you: \(\dfrac{33}{6}\) - \(\dfrac{7}{3}\) Now we need to find a common denominator, so how many times can 3 go into 6? 2 times. It would look like this: \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) So just solve it, \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) = \(\dfrac{19}{6}\) Which, when converted looks like: \(\dfrac{19}{6}\) = \(3\dfrac{1}{6}\)

cuteDADDY:

@extrinix wrote:
Ok, so to solve this, you need to convert them into improper fractions and then find similar denominators, it would look like this: \(5\dfrac{3}{6}\)-\(2\dfrac{1}{3}\) Improper fractions: \(\dfrac{5 \times 6 + 3}{6}\) - \(\dfrac{2 \times 3 + 1}{3}\) This gets you: \(\dfrac{33}{6}\) - \(\dfrac{7}{3}\) Now we need to find a common denominator, so how many times can 3 go into 6? 2 times. It would look like this: \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) So just solve it, \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) = \(\dfrac{19}{6}\) Which, when converted looks like: \(\dfrac{19}{6}\) = \(3\dfrac{1}{6}\)
right

jhonyy9:

@extrinix wrote:
Ok, so to solve this, you need to convert them into improper fractions and then find similar denominators, it would look like this: \(5\dfrac{3}{6}\)-\(2\dfrac{1}{3}\) Improper fractions: \(\dfrac{5 \times 6 + 3}{6}\) - \(\dfrac{2 \times 3 + 1}{3}\) This gets you: \(\dfrac{33}{6}\) - \(\dfrac{7}{3}\) Now we need to find a common denominator, so how many times can 3 go into 6? 2 times. It would look like this: \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) So just solve it, \(\dfrac{33}{6}\) - \(\dfrac{14}{6}\) = \(\dfrac{19}{6}\) Which, when converted looks like: \(\dfrac{19}{6}\) = \(3\dfrac{1}{6}\)
ok but this result not is there between given choices

Extrinix:

Oh, I see where I messed up, one moment.

jhonyy9:

np just look please what choice correspond to your result

jhonyy9:

@extrinix your result is right just look please what choice correspond with your result

jhonyy9:

have you get it ?

jhonyy9:

\[3\frac{ 3 }{ 18 } = ?\] the last one choice

Extrinix:

Ohhh okay, so basically just multiply it got it, \(\dfrac{3}{6} \times \dfrac{1}{3}\) Which would give you \(\dfrac{3}{18}\) Then separately you would do 5-2 which would give you, \(3\dfrac{3}{18}\) Yeah I was never taught to separate out the whole numbers, I was taught to convert it to an improper fraction...

jhonyy9:

@extrinix wrote:
Ohhh okay, so basically just multiply it got it, \(\dfrac{3}{6} \times \dfrac{1}{3}\) Which would give you \(\dfrac{3}{18}\) Then separately you would do 5-2 which would give you, \(3\dfrac{3}{18}\) Yeah I was never taught to separate out the whole numbers, I was taught to convert it to an improper fraction...
no you dont multiplie nothing subtract the whole parts 5-2 = 3 and subtract the fraction parts \[\frac{ 3 }{ 6 }-\frac{ 1 }{ 3 } = \frac{ (9-6) }{ 18 }= \frac{ 3 }{ 18 }\] but idk why in this way bc. 6 is common denominator for 6 and 3 ?

Extrinix:

Maybe it’s looking for it’s GCF?

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