Step-by-step explanation:
Question 1 : d) 6 2/6 - 3 2/8
both 6 and 8 can get multiplied by each other to get 48 as denominator to make things easier.
=> 6 2*8/6*8 - 3 2*6/8*6
=> 6 16/48 - 3 12/48
We can break the subtraction into subtraction of the whole number and subtraction of fraction
=> (6-3) (16/48-12/48)
=> 3 4/48
Question 2 : c) 10 22/40
5 6/8 + 4 4/5
First let's change these improper fractions, we get,
46/8 + 24/5
LCM = 40,
=> 46*5/8*5 + 24*8/5*8
=> 230/40 + 192/40
=> 422/40
=> 10 22/40
Question 3 : b) 4 1/8 + 4 1/3
LCM = 24
=> 4 1*3/8*3 + 4 1*8/3*8
=> 4 3/24 + 4 8/24
Like question 1, let us do it the whole number and fraction separately,
(4+4) (3/24+8/24)
8 11/24
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