0.84 or 0.02666... or 0.072 depending on whether it is (4/5) + (1/25) or (4/(5+1))/25 or ((4/5) + 1)/25
Another View:
it would be 21 over 25.
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1 + 4 + 16 + 25 + 36 + 49 = 131
109 you can plus like this: (19+1)+20+20+(1+1+18)+4+25
You divide 1 by 4 and you get .25, you then multiply that by 100 and you get 25. So 1 over 4 = 25% 1/4 = 25%
It is: 0.64+4/25 = 4/5 or 0.8
2/5 + 4/25 = 2x5/5x5 + 4/25 = 10/25 + 4/25 = (10 + 4)/25 = 14/25