Entering Decimals Worksheet - Grade 7 Page 26
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41*Help in your textbook can be found on page 394
NOTES
Like
*Adding & Subtracting Decimals with
Denominators
Adding & Subtracting Fractions with LIKE Denominators
Step 1: Make sure the denominators are the same
5 + 3 =
10
10
Step 2: Add or subtract the numerators
5 + 3
=
8
10
10
10
Step 3: The denominator stays the same
5 + 3 =
8
10
10
10
Step 4: Simplify if necessary
8
÷ 2 = 4
10
÷ 2 = 5
*Help in your textbook can be found on page 460
Unlike
*Adding & Subtracting Decimals with
Denominators
Adding & Subtracting Fractions with LIKE Denominators
Step 1: Find an equivalent fraction for both fractions, so that they both have the same
denominator
4 +
1
=
a) find the LCM of the denominators
8: 8, 16, 24, 32
8
6
6: 6, 12, 18, 24, 30
6
b) find the equivalent fraction
4 x
3
=
12
1 x
4
=
4
8
3
24
6
4
24
4
Step 2: Once the denominators are the same, add or subtract the numerators
12 + 4 =
16
24
24
Step 3: The denominator stays the same
12 + 4 = 16
24
24
24
Step 4: Simplify if necessary
16
÷ 8 = 2
24
÷ 8 = 3
*Help in your textbook can be found on page 462-469
26
* Improper Fractions & Mixed Numbers
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