1 Adding & Subtracting Fractions and Mixed Numbers MATH.
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1 Adding & Subtracting Fractions and Mixed Numbers MATH
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Transcript of 1 Adding & Subtracting Fractions and Mixed Numbers MATH.
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Adding & Subtracting Fractions and Mixed Numbers
MATH
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What Are You Learning?
I CAN add fractions and mixed numbers.
I CAN subtract fractions and mixed numbers.
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Why Do You Need To Know This?
Adding and subtracting fractions is important because many real-world situations deal with fractions.
Such as recipes, measurements, distances, lengths, and heights.
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Do You Know? What is the answer for 6/11 + 3/11?
What are the steps for solving the above problem?
What is the answer for 3/10 + 5/10?
What are the steps for solving the above problem?
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Vocabulary
Like fractionsFractions that have the same denominator.
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Adding Like Fractions
Add the numerators.
Keep the same denominator.
Simplify if needed.
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Find each sum.
a. 5/9 + 2/9
b. 7/12 + 4/12
c. 6/7 + 3/7
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Vocabulary
Unlike fractionsFractions that have different denominators.
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Do You Know?
What is the answer for the ¾ + 1/8?
The answer is 7/8. Can you figure out how to find the answer?
What are the steps for solving the above problem?
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Adding Unlike Fractions Find the least common denominator.
Change the numerators. (Find equivalent fractions)
Add the numerators and keep the denominator.
Simplify.
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Add. Simplify if needed.
a. ½ + 1/6
b. 1/3 + 1/9
c. 7/8 + ¾
d. 5/6 + 4/9
Adding Mixed Numbers Write in simplest form.
a. 7 ¾ + 2 ¾
b. 7 1/8 + 5 3/8
c. 7 ¾ + 2 2/3
d. 6 1/3 + 2 1/6
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Subtracting Like Fractions
Subtract the numerators.
Keep the same denominator.
Simplify if needed.
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Subtract. Write in simplest form.
a. 9/10 – 1/10
b. 5/6 – 1/6
c. 8/9 – 2/9
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Subtract. Write in simplest form.
a. 7/8 - 5/6
b. ¾ - 1/6
c. 5/6 – 3/8
d. 2/3 – 1/6
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Subtracting Like Fractions
Subtract the numerators.
Keep the same denominator.
Simplify if needed.
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Subtract. Write in simplest form.
a. 9/10 – 1/10
b. 5/6 – 1/6
c. 8/9 – 2/9
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Subtract. Write in simplest form.
a. 7/8 - 5/6
b. ¾ - 1/6
c. 5/6 – 3/8
d. 2/3 – 1/6
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Subtracting Mixed Numbers Write in simplest form.
a. 8 5/6 – 2 1/3
b. 13 7/8 – 9 ¾
c. 9 7/10 – 4 3/5
d. 7 – 1 ½
e. 11 - 6 3/8
f. 8 – 3 2/3
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Subtracting Mixed Numbers Write in simplest form.
a. 7 ¼ - 2 ¾
b. 5 1/5 – 3 4/5
Class Work
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