+0  
 
0
85
2
avatar+72 

1 3/8 - (-7/8)

Cedricedmonds  Sep 23, 2018
 #1
avatar+34 
+1

First, make that whole number an improper fraction:

 

1 3/8 = 11/8

 

Then, do the subtraction from your numerator and add on the denominator:

 

(11 - (-7))/8 = (18)/8 = 18/8

 

Your answer is 18/8, unless you want to simplify to a whole number. That would be 2 1/4.

Done!

 

(p.s. thanks electricpavlov for pointing my mistake!)

mathmagical  Sep 23, 2018
edited by mathmagical  Sep 24, 2018
 #2
avatar+14579 
+2

Ooops.......

1 3/8 = 11/8   

 

11/8 -(-7/8) =

 

11/8 + 7/8 = 18/8 = 2 2/8 = 2 1/4

ElectricPavlov  Sep 24, 2018

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