Please help me with this
Thanks
2 answers:
Answer:
8/40 + 20/40 = 28/40
Step-by-step explanation:
It's about finding the common denominator for the fractions.
we can easily see that 40 is a common denominator for denominators 10 and 4. 20 would work too, but 40 is "instantly seen".
2/10 = (2*4) / (10*4) = 8/40
2/4 = (2*10) / (4*10) = 20/40
8/40 + 20/40 = (8+20) / 40 = 28/40
So you make them the same common denominator As you see, 2/10 = 8/40 2/4 = x/40, multiply by 10 2/4 = 20/40 Then add because same denominator Now you would get: 8/40 + 20/40 = 28/40
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