What is #4##1/2# + #2##2/5#?

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Answer 1 · 2018-03-05T01:41:16

69/10

#9/2+12/5#

#45/15+24/10=69/10#

Answer 2 · 2018-03-05T01:41:53

#6 9/10#

Find a common denominator for 2 and 5, which is 10. Then adjust the fractions accordingly. #4 1/2 +2 2/5 = 4 5/10 +2 4/10 = 6 9/10#

Answer 3 · 2018-03-05T01:42:36

#6 9/10#

Method 1

#4 1/2+2 2/5#

#=4+1/2+2+2/5#

#=6+(1*5+2*2)/(2*5)#

#=6+9/10#

#=6 9/10#

Method 2:

#4 1/2+2 2/5#

#=9/2+12/5#

#=(9*5+12*2)/(2*5)#

#=69/10#

#=6 9/10#