1.5
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4
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2 and a half - 3 over 8 = 2 1/8
Half of 3/16 is 3/32
1 and a half
Dividing by a half is equivalent to multiplying by two; 3/8 x 2 = 6/8 which simplified to 3/4.
7 over 8 = 7/8 = .875 1 and a half = 1.5 = 3/2 = 1.5 .875 - 1.5 = -.625 or (this is the way i do it) you change 1/2 to 4/8 so it becomes 7/8-4/8. so 7-4 is 3. so the answer is 3/8