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Fractions, huh?

First, let me give them their names. The top number is "numerator" and the bottom number is "denominator". Sometimes that is shown as

numerator

----------

denominator

Now to your problem:

Find the common denominator:

1 3/10 plus 1 1/8

Calculate a common denominator (the bottom number of the fraction) by multiplying them together.

10 x 8 = 80

Next, flip that over: 8 x 10 = 80

Equalize the numerator:

Use the 8 times the first fraction's numerator of 3 (8 x 3 = 24)

Use the 10 times the second fraction's numerator of 1 (10 x 1 = 10)

Your problem now has a common denominator and an equalized numerator, add them together:

1 24/80 plus 1 10/80 = 2 34/80 which can be reduced to 2 17/40.

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Wiki User

16y ago

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