Add and Subtract Signed Fractions

Adding/Subtracting Positive & negative Fractions

Poll

How are you today?

• Happy

• Excited

• Hungry

• Tired

• Anxious

• Same idea with adding integers.

• Remember the song: "Same signs add​ & keep, different signs subtract.

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​*Keep the sign of the higher number, and you will be exact!*

Adding Fractions

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• ​Using KCO, we can solve this question as well.

• Remember: Keep the first integer the same, Change the subtraction to an addition sign. We then need the opposite of, or flip, the last integer.

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Subtracting Fractions

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Multiple Choice

-1/4 + (-3/4) = ?

• 1

• -2/4

• -1

• 1/4

Multiple Choice

-8/4 - 1/4

• -9/4

• -7/4

• 1 1/2

• 7/4

Fill in the Blank

-5/4 + 4/5

Fill in the Blank

-3/5 - (-2/7)

Poll

How was today's Quizizz?

• Good, I completely understand everything! :)

• Meh, I only get 50% of the math. :/

• I don't understand anything! :0

• I was expecting more!