The ratio of the second denominator (100) to the first (5) is 20:1.So the second numerator must be 20 times the first (4).
The equivalent fraction is, therefore, 80/100.
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If you mean (5*4)/5 then it equals 4
No, 4/5 equals 0.8 while 7/10 equals 0.7
1/5 ÷ 3/4 = 4/15
2 x 2 x 5 x 5 equals 100. This can be calculated by multiplying 2 by 2 to get 4, and then multiplying that by 5 to get 20. Finally, multiplying 20 by 5 gives the result of 100.
Multiply it by 100 and so 4/5 times 100 = 80%