Answer:
the answer is 1 7/10 or 17/10
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1.7
Step-by-step explanation:
7 1/5 - 5 2/4
36/5 multiply by 2 - 5/2 multiply by 5
72/10 - 55/10 = 17/10
covert to mixed number: 1 7/10
and if needed decimal: 1.7