45
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First both fractions must be converted so that the denominators are the same: 1/6 - 1/9 = 9/54 - 6/54 (54 being the least common multiple of 6 and 9) Second, subtract the numerators (top numbers): 9/54 - 6/54 = 3/54 Third, if necessary, simplify the fraction: 1/6 - 1/9 = 9/54 - 6/54 (converted) 9/54 - 6/54 = 3/54 (solved) 3/54 = 1/18 (reduced)
To subtract ninths from sixths, you have to first convert them both to 54ths. So, 7/9 x 6/6 = 42/54 and 5/6 x 9/9 = 45/54. Now you can do the subtraction. 45 - 42 = 3. So the answer is 3/54.
To convert from Fahrenheit to Celsius, first subtract Fahrenheit minus 32. Then multiply the result by 5/9. C = (5/9) x (F-32) 54 oF = (54-32) x 5/9 = 12.2 oC
the answer is -4.
54(54 x 1 = 54, and 9 x 6 = 54)