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What is 1 1/4 - 3/8?

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Answer:

first find the LCM of the denominator, which in this case is 8

8 divided by 4 is 2 ,hence 2 by 11 equals 22

8 divided by 8 is 1, hence 1 by 3 equal 3

hence the numerator will be 22-3 which equals to 19

The numerator will be the LCM, which is 8

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