GROUDON GROUDON

29-02-2016
Mathematics

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7/8 - 3/20 can someone help please

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laura44 laura44

29-02-2016

7/8-3/20=
LCM of denominators= 40
40÷8=5×7=35
40÷20=2×3=6
35/40-6/40= 29/40
=29/40

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