3 and 1 sixth minus 3 fourths plus five sixths
3 1/6 – 3/4 + 5/6
19/6 – 3/4 + 5/6
need common denominator . . . 12 will do
38/12 – 9/12 + 10/12 = 39/12
= 3 3/12
= 3 1/4
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