Grade+Five+NS+2.3

2.3 Solve simple problems, including ones arising in concrete situations, involving the addition and subtraction of fractions and mixed numbers (like and unlike denominators of 20 or less), and express answers in the simplest form.

1. The sum of _ _ _ sevenths and _ _ _ sevenths is _ _ _ sevenths.

2. When adding _ _ _ and _ _ _, the common denominator is _ _ _. (Ex. When adding 2/5 and 3/4, the common denominator is 20). 3. The least common denominator of ___ and ____ is. 4. When adding ___ (fraction) and ___(fraction), you need to find the Least Common Denominator of ____ and ___, because they are the denominators. ~*~ Back to Grade Five Number Sense ~*~