Thought that the = 12 i. Did not sum of fractions is understand the obtained by adding rule for adding their numerators Obtained as a sum fractions and denominators of ii. Did not separately. i.e. understand the = rule for converting a number into fractional form. Did not Thought that LCM = understand: is used even in the i. the rule for mix of whole changing a numbers and Applied LCM mixed number fractions. before changing into fractional numbers into form fractional form. ii. the conditions for using LCM. = + Did not understand Added together the Thought that the the rule for rule for changing a denominator, changing a mixed into form of was whole number and number into ((a + b) c instead numerator when fractional form. of ((a + b) c changing the two mixed numbers into fractional form. As shown in Table 4.25, the respondents committed some errors in adding mixed numbers. Common errors noted included the error of adding numerators and when finding the sum of proper fractions, and denominators separately incorrect use The sum of was of the rule for changing a mixed number into fractional form.
= 12 Obtained as a sum of i. Did not understand the rule for adding fractions ii. Did not understand the rule for converting a number into fractional form. Thought that the sum of fractions is obtained by adding their numerators and denominators separately. i.e. = = Applied LCM before changing numbers into fractional form. Did not understand: i. the rule for changing a mixed number into fractional form ii. the conditions for using LCM. Thought that LCM is used even in the mix of whole numbers and fractions. = + Added together the denominator, whole number and numerator when changing the two mixed numbers into fractional form. Did not understand the rule for changing a mixed number into fractional form. Thought that the rule for changing a into form of was ((a + b) c instead of ((a + b) c As shown in Table 4.25, the respondents committed some errors in adding mixed numbers. Common errors noted included the error of adding numerators and denominators separately when finding the sum of proper fractions, and incorrect use of the rule for changing a mixed number into fractional form. The sum of was
Victor_Mwesiga_%2D_PhD.docx