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1. Derek bought 3/4 meter of cord for the piping of his sister's blouse. He used 2/3 of the
material. What part of the cord did he used?
Solution:


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Answer:

1/12

Step-by-step explanation:

get the lcd of 4 and 3 which is 12

once you get the lcd copy the numerators and divide the fractions denominator to its numerator.

3/12 - 2/12

= 12 divided by 3 = 4

= 12 divided by 4 = 3

then these will be the new numerators then we subtract them now since they now have the same denominator

4/12 - 3/12 = 1/12