Sum three fractions

Work out the sum of 1/4, 1/5, and 3/10.

Final Answer:

s =  3/4

Step-by-step explanation:

a=41=0.25 b=51=0.2 c=103=0.3  s=a+b+c=41+51+103=205+204+206=205+4+6=2015=43=0.75



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