Maths Activities - Taha

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This is one of the maths activities that had worked on yesterday,

and I found the answer, the answer was 7 over 30 because, if you look at the question it is 5/6 - 3/5 

first I timesed the two bottom numbers 6 x 5 and I got 30 then 5 x 5 = 25, and now the Denominator is the same, so I did the same strategy to the other fraction.