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Question 1 of 4
Add the following
410+510
Write the fraction in the format “a/b”
Incorrect
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To add fractions with like denominators, add the numerators
and keep the same denominator.
Since the denominators are the same, add only the numerators
410+510 |
= |
910 |
Keep the same denominator |
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Question 2 of 4
Add the following. Simplify if needed.
1315+215
Incorrect
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To add fractions with like denominators, add the numerators
and keep the same denominator.
Since the denominators are the same, add only the numerators
1315+215 |
= |
1515 |
Keep the same denominator |
|
|
= |
1 |
A fraction that has the same numerator and denominator is equal to 1 |
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Question 3 of 4
Add the following. Simplify if needed.
38100+12100
Write fractions in the format “a/b”
Incorrect
Loaded: 0%
Progress: 0%
0:00
To add fractions with like denominators, add the numerators
and keep the same denominator.
Since the denominators are the same, add only the numerators
38100+12100 |
= |
50100 |
Keep the same denominator |
|
|
= |
50÷50100÷50 |
Simplify the fraction |
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|
= |
12 |
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Question 4 of 4
Add the following
38+14
Write the fraction in the format “a/b”
Incorrect
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Add fractions with unlike denominators by transforming the fractions so that they have the like denominators
Start with listing out multiples of 8 and 4
Multiples of 8:
81624
Multiples of 4:
4812
The LCD of 8 and 4 is 8
Use the LCD as the denominator for both fractions then proceed with adding.
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38+14 |
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|
= |
38+1×24×2 |
Multiply by 2 so that the denominator becomes 8 |
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= |
38+28 |
Add the numerators |
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|
= |
58 |
Keep the same denominator |