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Addition/subtraction of fractions.

4 1/2 - 1 2/3

Steps to take;-

#1 ; convert to improper (top heavy) fractions.

#2 ; bring to a common denominator

#3 ; bring numerators to equivalent values

#4 ; add/subtract numertors as appropriate

#5 ; place over denomiator

#6 ; bring back to a mixed number.

Hence

Step 1' 4 1/2 - 1 2/3 = 9/2 - 5/3

#2 ; 2 x 3 = 6 ( common denomiator)

#3 ; 9 x3 =27 & 5 x 2 = 10 (Equivlent value numerators)

#4 ; 27 - 10 = 17

#5 ; 17/6

#6 ; 17/6 = 2 5/6 The answer!!!!

NB For addition of fractions , it is exactly the same process, except at step #4, you add the numertors.

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lenpollock

Lvl 16
1y ago

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