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wolfsaway
27.08.2019 •
Mathematics
Estimate, and then compute. explain how you know your result is reasonable do it quick!
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Ответ:
Ответ:
3 1/2 + 1 2/5
3x2=6+1= 7/2 now do same for 1 2/5 5x1=5+2=7/5 now find LCD for both fractions which is 10 so now the fractions become 35/10 + 14/10=add 35+14=49/10 now divide to turn back into a mixed number 4 9/10 is your answer
Ответ: