Explain an addition method
5th Grade Math practice: Why does 1/4 + 2/8 become 2/8 + 2/8 before adding. Part of fractions (Compare fractions).
~6 min
State why you chose the denominator used to rename the fractions.
Finding a Common Denominator
1/4 shaded
To add fractions with different denominators, we rename them so they share the same denominator. This ensures that the parts we are adding represent the same fractional size.
💡 Look for a common denominator that is a multiple of both original denominators.