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Mathematics 18 Online
OpenStudy (anonymous):

4 · 1 - 32 ÷ 3

OpenStudy (australopithecus):

If this is how it is written I would interpret it like so, \[4*1 - \frac{32}{3}\] As for what you do first, Remember BEDMAS, Brakets Exponents Division Multiplication Addition Subtraction this is the order of operations.

OpenStudy (australopithecus):

Important rules you need to know to simplify this expression. Fraction Addition and Subtraction To add or subtract fractions they must have the same denominator for example: \[\frac{3}{2} + \frac{4}{2} = \frac{3+4}{2}\] you cannot add or subtract (without modifying the fraction), \[\frac{3}{2} + \frac{4}{3} \] because their denominator differs (one is 2 the other is 3)

OpenStudy (australopithecus):

-Any number can be expressed as a fraction by simply dividing by 1 for example: \[\frac{33}{1} = 33\] -Fraction multiplication Multiplication of fractions is simple just multiple the numerator by the numerator and the denominator by the denominator for example: \[\frac{5}{3}*\frac{1}{2} = \frac{1*5}{2*3} = \frac{5}{6}\] -The final rule you need to know is that you can modify the denominator of any number easily by multiplying by a fraction that equals 1 For example: \[\frac{3}{1} = \frac{3}{1}*\frac{3}{3} = \frac{9}{3}\]

OpenStudy (australopithecus):

hope this helps you :)

OpenStudy (anonymous):

thank (:

OpenStudy (anonymous):

you lol

OpenStudy (australopithecus):

Memorize these rules because they are super fundamental

OpenStudy (australopithecus):

if you have any further questions please ask

OpenStudy (australopithecus):

for the final rule just to be clear, \[\frac{3}{3} = 1\]

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