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2 2/7 – 1 1/3 =
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Hint: (2 - 1) + (2/7 - 1/3) Ideally, you want to subtract the whole numbers separately and subtract the fractions separately.
So first, I would set up to combine the first and second fractions: (2 - 1) + (6/21 - 7/21) However the first fraction is smaller than the second fraction, so I can't subtract yet.
I have to borrow 1 = 21/21 from the whole numbers and add it to the first fraction to get: (1 - 1) + (27/21 - 7/21)
I hope you understand what I did there.
thank you
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Did you understand the steps, and do you have the final answer? If so let me know what you got.
how did u get 21
Do you know what an LCD is?
3 x 7 = 21
ok lowest common demontator
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