0.66666666667 tsp to tbsp conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard index form or standard form in the United Kingdom) and as a fraction (exact result). Every display form has its own advantages and in different situations particular form is more convenient than another. For example usage of scientific notation when working with big numbers is recommended due to easier reading and comprehension. Usage of fractions is recommended when more precision is needed.
If we want to calculate how many Tablespoons are 0.66666666667 Teaspoons we have to multiply 0.66666666667 by 1 and divide the product by 3. So for 0.66666666667 we have: (0.66666666667 × 1) ÷ 3 = 0.66666666667 ÷ 3 = 0.22222222222333 Tablespoons
So finally 0.66666666667 tsp = 0.22222222222333 tbsp