Answer:
3 1/10
Explanation:
You can make 3 1/2 an improper fraction and then subtract it from 2/5
We do across so 7 x 5 is 35. 2 x 2 is 4. 2 x 5 is 10. 35 - 4 is 31. 31/10 simplified is 3 1/10.
So your answer is: 3 1/10
3.1
3 1/2=3.5
2/5=0.4
3.5-0.4=3.1
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