To solve this expression, you first need to perform the multiplication operation. 22/7 is a fraction, so when you multiply it by 21, you would multiply the numerator (22) by 21 to get 462, and the denominator (7) remains the same. Therefore, the result of 22/7 times 21 is 462/7, which can be simplified to 66.
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7 x 3/4 = 21/4
The solution of 2 times 22 over 7 is 4. This calculation involves multiplying 2 by 22 to get 44, then dividing by 7 to get the final result of 4. The order of operations dictates that multiplication is performed before division in this equation.
33/7 - 22/21 the least common denominator is 21 = (33 x 3)/(7 x 3) - 22/21 = 99/21 - 22/21 = 77/21 = (77 ÷ 7/(21 ÷ 7) = 11/3 =3 2/3
84/264 = 42/132 = 21/66 = 7/22
You can only express this exactly by leaving it as is: 22/7 times pi. If you want a decimal approximation, use an approximation of pi, for example. 3.1416, and do the calculation on a calculator.