Information about 2 25 Adding Subtracting Mixed Numbers

Review:
How do you add fractions with the same denominator?
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2
Bitsy Griffin Lessons 2-24 & 25

Review:
How do you add fractions with the different denominators?
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3
Bitsy Griffin Lessons 2-24 & 25

Review:
How do you simplify a fraction?
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4
Bitsy Griffin Lessons 2-24 & 25

Suggestions:
Estimate approximate answer
+ / - fractions.
Denominators unlike?
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5
Bitsy Griffin Lessons 2-24 & 25

Suggestions:
Simplify the fraction.
you may end up with a fraction > 1
In subtraction, you may have to rename!
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6
Bitsy Griffin Lessons 2-24 & 25

Suggestions:
+ / - whole numbers
Add any whole #s from fraction to #
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7
Bitsy Griffin Lessons 2-24 & 25

Problem 1:
3 2/3 + 5 1/6 =
Answer is close to?
9
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8
Bitsy Griffin Lessons 2-24 & 25

Problem 1:
3 2/3 + 5 1/6 =
2/3 + 1/6
4/6 + 1/6 = 5/6
3 + 5 = 8
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9
Bitsy Griffin Lessons 2-24 & 25

Problem 1:
8 + 5/6 =
8 5/6
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10
Bitsy Griffin Lessons 2-24 & 25

Problem 2:
2 2/3 + 1 ½ =
Answer is close to?
4 or 5
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11
Bitsy Griffin Lessons 2-24 & 25

Problem 2:
2 2/3 + 1 ½ =
2/3 + ½ =
4/6 + 3/6 = 7/6
7/6 = 1 1/6
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12
Bitsy Griffin Lessons 2-24 & 25

Problem 2:
2 + 1 = 3
3 + 1 1/6 = 4 1/6
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13
Bitsy Griffin Lessons 2-24 & 25

Problem 3:
4 ¼ - 1 2/3
Answer be close to?
2 or 3
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14
Bitsy Griffin Lessons 2-24 & 25

Problem 3:
4 ¼ - 1 2/3
Answer be close to?
2 or 3
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15
Bitsy Griffin Lessons 2-24 & 25

Renaming practice:
8 ¼ =
7 + 4/4 + ¼
7 5/4
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16
Bitsy Griffin Lessons 2-24 & 25

Renaming practice:
6 2/3 =
5 + 3/3 + 2/3
5 5/3
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17
Bitsy Griffin Lessons 2-24 & 25

Problem 3:
4 ¼ - 1 2/3
¼ - 2/3
3/12 – 8/12
Oops! What can we do?
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18
Bitsy Griffin Lessons 2-24 & 25

Problem 3:
Rename the first mixed number to
3 + 12/12 + 3/12
3 15/12 – 1 8/12
2 7/12
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19
Bitsy Griffin Lessons 2-24 & 25

Problem 3:
Rename the first mixed number to
3 + 12/12 + 3/12
3 15/12 – 1 8/12
2 7/12
12/9/2009
20
Bitsy Griffin Lessons 2-24 & 25

Problem 4:
4 ¼ - 2 1/3
3/12 – 4/12
???
3 12/12 + 3/12 =
3 15/12
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21
Bitsy Griffin Lessons 2-24 & 25

Problem 4:
3 15/12 - 2 4/12
1 11/12
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22
Bitsy Griffin Lessons 2-24 & 25

EQ:
How do I add or subtract mixed numbers?
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23
Bitsy Griffin Lessons 2-24 & 25

Khan Academy is a nonprofit with the ... Adding and subtracting mixed numbers with like ... Adding and subtracting mixed numbers with unlike denominators 2;

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Adding and Subtracting Mixed Fractions . ... Adding Mixed Fractions. ... Convert back to Mixed Fractions: 25 4 = 6 1 4.

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Adding and subtracting mixed numbers with like ... 8 minus 5-- that's subtracting the whole number parts-- plus; 2/3 minus ... 25:07Z by View ...

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How to add and subtract mixed numbers. Lesson 25 of a ... Lesson 25. ADDING AND SUBTRACTING FRACTIONS AND MIXED ... are adding. (Lesson 21, Example 3.) 2 ...

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How to subtract mixed numbers. ... Lesson 25 Section 2 . SUBTRACTING MIXED NUMBERS. Back to Section 1 ... similarly to adding mixed numbers.

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5.2 Adding and subtracting mixed numbers ... Fractions and Mixed numbers - Duration: 6:25. ... Alg 2/Unit 5, Lesson 3 (Adding, Subtracting, ...

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Adding and subtracting mixed numbers. ... 2 3 / 4 is a mixed number. ... Subtracting fractions with mixed numbers.

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... and multiply mixed numbers and mixed fractions such as 1 1/2 or 3 5/8. Free online calculator for adding, subtracting, ... Mixed Numbers Calculator ...

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The steps are the same whether you're adding or subtracting mixed numbers: Find ... Adding and subtracting mixed numbers ...

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