What's the rule to subtracting fraction s?

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02-12-2016
Mathematics

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What's the rule to subtracting fraction s?

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hannahwickstrom11 hannahwickstrom11 · Answer 1 · 2016-12-02T08:57:46+01:00

hannahwickstrom11 hannahwickstrom11

02-12-2016

Set the denominators equal to each other(easiest way to do this is to cross multiply the denominators), then subtract the top like normal, leaving the denominator how it is

Ex:
2/3-3/10
⬇️
20/30-9/30
⬇️
11/30

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