Simplify. Show your work.
5 1/3 +(-3 9/18)

Question

Simplify. Show your work.
5 1/3  +(-3 9/18)

shinalcantara · Answer

$$5\frac{ 1 }{ 3 } - 3 \frac{ 9 }{ 18 }$$
change it first into improper fraction for easier solution

shinalcantara · Answer

after changing into improper fraction, get its LCD

shinalcantara · Answer

what did you get?

anonymous · Answer

8/1 - 21/9 @shinalcantara ?

shinalcantara · Answer

try to recheck.. in finding the improper fraction, you'll have:
|dw:1411489506703:dw|

anonymous · Answer

63/18 @shinalcantara

shinalcantara · Answer

yep

shinalcantara · Answer

$$\frac{ 16 }{ 3 } - \frac{ 63 }{ 18 }$$
now find the LCD

anonymous · Answer

3

shinalcantara · Answer

what number that when divided by both 3 and 18 will have a whole number as a quotient?

shinalcantara · Answer

is 3/18 be having a whole number as a quotient?

shinalcantara · Answer

wouldn't it be 18?

shinalcantara · Answer

$$\frac{ 16 }{ 3 }-\frac{ 63 }{ 18 } =\frac{ 6(16)-63 }{ 18 }$$

shinalcantara · Answer

18 divided by 3 makes 6. 6 is multiplied to the numerator which is 16.
18 divided by 18 is 1 multiplied to 63 is still 63. now you simplify

anonymous · Answer

32/21 @shinalcantara

shinalcantara · Answer

recheck..
what's 6*16?

anonymous · Answer

its 96 @shinalcantara

shinalcantara · Answer

$$\frac{ 96-63 }{ 18 }$$
now subtract for you to have a value for the numerator

anonymous · Answer

96-63=33 @shinalcantara

shinalcantara · Answer

that makes the answer$$\frac{ 33 }{ 18 } $$
now reduce this to lowest term by dividing both 33 and 18 by 3