Marina arranged the fraction in descending order as 3/5, 4/10, 7/15 , 13/20 is she correct if yes show the Calculation and if not find the correct answer and please give me answer...
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Step-by-step explanation:
The LCM of 5,10,15,20 is -120
3/5=5*25,3*25= 75/120
4/10=4*12,10*12= 48/120
7/15=15*8,7*8= 56/120
13/20=13*6,20*6= 78/120
therefore the descending order of
3/5,4/10,7/15,13/20= 78/120, 75/120, 56/120,48/120
=13/20,3/5,7/15,4/10
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