how to add fractions with a big denominator
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Step-by-step explanation:Start out by multiplying the numerator of the first fraction by the denominators of all the other fractions.
(1 5 7) = 35
Do the same with the second fraction and add this value to the first.
35 + (3 2 7) = 35 + 42
Do the same with the remaining fraction(s).
35 + 42 + (4 2 5) = 35 + 42 + 40 = 117
When you’re done, you have the numerator of the answer.
To get the denominator, just multiply all the denominators together:
You may need to reduce or change an improper fraction to a mixed number. In this example, you just need to change to a mixed number:
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