Adding and Subtracting Fractions Name: _________________ Date: ________________ Write down any concepts that confuse you as watch the videos and we will address them together in class.

Background Knowledge Required I know how to write the multiples of a number. I know how to reduce a fraction.

Adding and Subtraction: Like Denominators Reduce If Necessary 𝟒 𝟏𝟎 𝟑 𝟓 𝟏 𝟓 𝟒 𝟓 + = Reduce If Necessary 𝟐 𝟎 𝟑 𝟓 𝟏 𝟓 𝟐 𝟓 - =

Adding Fractions: Unlike Denominators Reduce If Necessary x 3 𝟏 𝟒 𝟏 𝟑 x 4 𝟑 𝟏𝟐 𝟒 𝟏𝟐 𝟕 𝟏𝟐 + = + = x 3 x 4 4, 8, 12, 16… 𝟐 𝟕 𝟕 𝟐𝟒 3, 6, 9, 12…

Subtracting Fractions: Unlike Denominators Reduce If Necessary x 4 𝟑 𝟓 𝟐 𝟒 x 5 𝟏𝟐 𝟐𝟎 𝟏𝟎 𝟐𝟎 𝟐 𝟐𝟎 ÷ 2 𝟏 𝟏𝟎 - - = = = x 4 x 5 ÷ 2 5, 10, 15, 20 … 𝟐 𝟎 𝟏 𝟏 4, 8, 12, 16, 20 …

Subtracting Fractions: Unlike Denominators Reduce If Necessary x 4 𝟖 𝟏𝟓 𝟐 𝟒 x 15 𝟑𝟐 𝟔𝟎 𝟑𝟎 𝟔𝟎 𝟐 𝟔𝟎 ÷ 2 𝟏 𝟑𝟎 - - = = = x 4 x 15 ÷ 2 15, 30, 45, 60 … 𝟔 𝟏𝟏 𝟐 𝟎 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60 …

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